Circle function and UI tool (#3860)

* circle

* fix another example

* fix bad comment

* toPoint fix

* cargo fmt

* resolve most of the tests

* fix last test

* missed circle in bracket

* remove console error

* fmt

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu-latest)

* A snapshot a day keeps the bugs away! 📷🐛 (OS: windows-latest)

* trigger ci

* remove three dot menu for circle

* make sure circle can be extruded

* fix up after merge

* add extrude test for circle

* clean up

* typo

* A snapshot a day keeps the bugs away! 📷🐛 (OS: windows-latest)

* Revert "A snapshot a day keeps the bugs away! 📷🐛 (OS: windows-latest)"

This reverts commit 03f8eeb542.

* update docs again

* cmd bar test serialisation improvements

* tiny clean up

* fix after: Replace kittycad crate with kittycad-modeling-cmds

* fmt

* rename fix

* Update src/lib/toolbar.ts

Co-authored-by: Frank Noirot <frank@zoo.dev>

* add another error to list

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu-latest)

* image updates

* Revert "A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu-latest)"

This reverts commit 505bb20bea.

* update markdown

* skip un reproducable windows test failure

* rust review

* leave issue todo comment

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Frank Noirot <frank@zoo.dev>

docs/kcl/angleToMatchLengthX.md

@@ -270,6 +270,26 @@ const extrusion = extrude(5, sketch001)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -479,6 +499,26 @@ const extrusion = extrude(5, sketch001)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/angleToMatchLengthY.md

@@ -274,6 +274,26 @@ const extrusion = extrude(5, sketch001)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -483,6 +503,26 @@ const extrusion = extrude(5, sketch001)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/angledLine.md

@@ -189,6 +189,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -398,6 +418,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -609,6 +649,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -818,6 +878,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/angledLineOfXLength.md

@@ -188,6 +188,26 @@ const extrusion = extrude(10, sketch001)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -397,6 +417,26 @@ const extrusion = extrude(10, sketch001)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -608,6 +648,26 @@ const extrusion = extrude(10, sketch001)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -817,6 +877,26 @@ const extrusion = extrude(10, sketch001)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/angledLineOfYLength.md

@@ -190,6 +190,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -399,6 +419,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -610,6 +650,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -819,6 +879,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/angledLineThatIntersects.md

@@ -282,6 +282,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -491,6 +511,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -702,6 +742,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -911,6 +971,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/angledLineToX.md

@@ -187,6 +187,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -396,6 +416,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -607,6 +647,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -816,6 +876,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/angledLineToY.md

@@ -187,6 +187,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -396,6 +416,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -607,6 +647,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -816,6 +876,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/arc.md

@@ -200,6 +200,26 @@ const exampleSketch = startSketchOn('XZ')
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -409,6 +429,26 @@ const exampleSketch = startSketchOn('XZ')
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -620,6 +660,26 @@ const exampleSketch = startSketchOn('XZ')
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -829,6 +889,26 @@ const exampleSketch = startSketchOn('XZ')
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/arrayReduce.md

@@ -182,6 +182,26 @@ decagon(5.0)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -391,6 +411,26 @@ decagon(5.0)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -594,6 +634,26 @@ decagon(5.0)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -803,6 +863,26 @@ decagon(5.0)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/bezierCurve.md

@@ -193,6 +193,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -402,6 +422,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -613,6 +653,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -822,6 +882,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/chamfer.md

@@ -448,6 +448,26 @@ const sketch001 = startSketchOn(part001, chamfer1)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -852,6 +872,26 @@ const sketch001 = startSketchOn(part001, chamfer1)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/circle.md

@@ -9,14 +9,14 @@ Construct a 2-dimensional circle, of the specified radius, centered at
 the provided (x, y) origin point.
 
 ```js
-circle(center: [number], radius: number, sketch_surface_or_group: SketchSurfaceOrGroup, tag?: TagDeclarator) -> SketchGroup
+circle(data: CircleData, sketch_surface_or_group: SketchSurfaceOrGroup, tag?: TagDeclarator) -> SketchGroup
 ```
 
 ### Examples
 
 ```js
 const exampleSketch = startSketchOn("-XZ")
-  |> circle([0, 0], 10, %)
+  |> circle({ center: [0, 0], radius: 10 }, %)
 
 const example = extrude(5, exampleSketch)
 ```
@@ -30,7 +30,7 @@ const exampleSketch = startSketchOn("XZ")
   |> line([0, 30], %)
   |> line([-30, 0], %)
   |> close(%)
-  |> hole(circle([0, 15], 5, %), %)
+  |> hole(circle({ center: [0, 15], radius: 5 }, %), %)
 
 const example = extrude(5, exampleSketch)
 ```
@@ -39,8 +39,15 @@ const example = extrude(5, exampleSketch)
 
 ### Arguments
 
-* `center`: `[number]` (REQUIRED)
-* `radius`: `number` (REQUIRED)
+* `data`: `CircleData` - Data for drawing an circle (REQUIRED)
+```js
+{
+	// The center of the circle.
+	center: [number, number],
+	// The circle radius
+	radius: number,
+}
+```
 * `sketch_surface_or_group`: `SketchSurfaceOrGroup` - A sketch surface or a sketch group. (REQUIRED)
 ```js
 {
@@ -186,6 +193,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -562,6 +589,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -773,6 +820,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -982,6 +1049,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/close.md

@@ -188,6 +188,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -397,6 +417,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -608,6 +648,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -817,6 +877,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/extrude.md

@@ -213,6 +213,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -423,6 +443,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -753,6 +793,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/fillet.md

@@ -445,6 +445,26 @@ const mountingPlate = extrude(thickness, mountingPlateSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -849,6 +869,26 @@ const mountingPlate = extrude(thickness, mountingPlateSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/helix.md

@@ -16,7 +16,7 @@ helix(data: HelixData, extrude_group: ExtrudeGroup) -> ExtrudeGroup
 
 ```js
 const part001 = startSketchOn('XY')
-  |> circle([5, 5], 10, %)
+  |> circle({ center: [5, 5], radius: 10 }, %)
   |> extrude(10, %)
   |> helix({
        angleStart: 0,
@@ -316,6 +316,26 @@ const part001 = startSketchOn('XY')
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -711,6 +731,26 @@ const part001 = startSketchOn('XY')
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/hole.md

@@ -21,8 +21,8 @@ const exampleSketch = startSketchOn('XY')
   |> line([5, 0], %)
   |> line([0, -5], %)
   |> close(%)
-  |> hole(circle([1, 1], .25, %), %)
-  |> hole(circle([1, 4], .25, %), %)
+  |> hole(circle({ center: [1, 1], radius: .25 }, %), %)
+  |> hole(circle({ center: [1, 4], radius: .25 }, %), %)
 
 const example = extrude(1, exampleSketch)
 ```
@@ -41,7 +41,7 @@ fn squareHoleSketch = () => {
 }
 
 const exampleSketch = startSketchOn('-XZ')
-  |> circle([0, 0], 3, %)
+  |> circle({ center: [0, 0], radius: 3 }, %)
   |> hole(squareHoleSketch(), %)
 const example = extrude(1, exampleSketch)
 ```
@@ -199,6 +199,26 @@ const example = extrude(1, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -409,6 +429,26 @@ const example = extrude(1, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -611,6 +651,26 @@ const example = extrude(1, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -820,6 +880,26 @@ const example = extrude(1, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -1022,6 +1102,26 @@ const example = extrude(1, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -1231,6 +1331,26 @@ const example = extrude(1, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/hollow.md

@@ -54,11 +54,17 @@ const case = startSketchOn('-XZ')
   |> extrude(65, %)
 
 const thing1 = startSketchOn(case, 'end')
-  |> circle([-size / 2, -size / 2], 25, %)
+  |> circle({
+       center: [-size / 2, -size / 2],
+       radius: 25
+     }, %)
   |> extrude(50, %)
 
 const thing2 = startSketchOn(case, 'end')
-  |> circle([size / 2, -size / 2], 25, %)
+  |> circle({
+       center: [size / 2, -size / 2],
+       radius: 25
+     }, %)
   |> extrude(50, %)
 
 hollow(0.5, case)
@@ -343,6 +349,26 @@ hollow(0.5, case)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -738,6 +764,26 @@ hollow(0.5, case)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/int.md

@@ -21,7 +21,7 @@ int(num: number) -> i64
 
 ```js
 const sketch001 = startSketchOn('XZ')
-  |> circle([0, 0], 2, %)
+  |> circle({ center: [0, 0], radius: 2 }, %)
 const extrude001 = extrude(5, sketch001)
 
 const pattern01 = patternTransform(int(ceil(5 / 2)), (id) => {

docs/kcl/lastSegX.md

@@ -179,6 +179,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -388,6 +408,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/lastSegY.md

@@ -179,6 +179,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -388,6 +408,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/line.md

@@ -192,6 +192,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -401,6 +421,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -612,6 +652,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -821,6 +881,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/lineTo.md

@@ -179,6 +179,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -388,6 +408,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -599,6 +639,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -808,6 +868,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/patternCircular2d.md

@@ -197,6 +197,26 @@ const example = extrude(1, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -407,6 +427,26 @@ const example = extrude(1, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/patternCircular3d.md

@@ -16,7 +16,7 @@ patternCircular3d(data: CircularPattern3dData, extrude_group_set: ExtrudeGroupSe
 
 ```js
 const exampleSketch = startSketchOn('XZ')
-  |> circle([0, 0], 1, %)
+  |> circle({ center: [0, 0], radius: 1 }, %)
 
 const example = extrude(-5, exampleSketch)
   |> patternCircular3d({
@@ -321,6 +321,26 @@ const example = extrude(-5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/patternLinear2d.md

@@ -16,7 +16,7 @@ patternLinear2d(data: LinearPattern2dData, sketch_group_set: SketchGroupSet) ->
 
 ```js
 const exampleSketch = startSketchOn('XZ')
-  |> circle([0, 0], 1, %)
+  |> circle({ center: [0, 0], radius: 1 }, %)
   |> patternLinear2d({
        axis: [1, 0],
        repetitions: 6,
@@ -190,6 +190,26 @@ const example = extrude(1, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -400,6 +420,26 @@ const example = extrude(1, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/patternLinear3d.md

@@ -319,6 +319,26 @@ const example = extrude(1, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/patternTransform.md

@@ -32,7 +32,7 @@ fn transform = (replicaId) => {
 fn layer = () => {
   return startSketchOn("XY")
   // or some other plane idk
-  |> circle([0, 0], 1, %, $tag1)
+  |> circle({ center: [0, 0], radius: 1 }, %, $tag1)
   |> extrude(h, %)
 }
 // The vase is 100 layers tall.
@@ -321,6 +321,26 @@ let vase = layer()
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/pi.md

@@ -22,7 +22,10 @@ pi() -> number
 const circumference = 70
 
 const exampleSketch = startSketchOn("XZ")
-  |> circle([0, 0], circumference / (2 * pi()), %)
+  |> circle({
+       center: [0, 0],
+       radius: circumference / (2 * pi())
+     }, %)
 
 const example = extrude(5, exampleSketch)
 ```

docs/kcl/profileStart.md

@@ -180,6 +180,26 @@ const sketch001 = startSketchOn('XY')
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -389,6 +409,26 @@ const sketch001 = startSketchOn('XY')
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/shell.md

@@ -93,11 +93,17 @@ const case = startSketchOn('-XZ')
   |> extrude(65, %)
 
 const thing1 = startSketchOn(case, 'end')
-  |> circle([-size / 2, -size / 2], 25, %)
+  |> circle({
+       center: [-size / 2, -size / 2],
+       radius: 25
+     }, %)
   |> extrude(50, %)
 
 const thing2 = startSketchOn(case, 'end')
-  |> circle([size / 2, -size / 2], 25, %)
+  |> circle({
+       center: [size / 2, -size / 2],
+       radius: 25
+     }, %)
   |> extrude(50, %)
 
 // We put "case" in the shell function to shell the entire object.
@@ -118,11 +124,17 @@ const case = startSketchOn('XY')
   |> extrude(65, %)
 
 const thing1 = startSketchOn(case, 'end')
-  |> circle([-size / 2, -size / 2], 25, %)
+  |> circle({
+       center: [-size / 2, -size / 2],
+       radius: 25
+     }, %)
   |> extrude(50, %)
 
 const thing2 = startSketchOn(case, 'end')
-  |> circle([size / 2, -size / 2], 25, %)
+  |> circle({
+       center: [size / 2, -size / 2],
+       radius: 25
+     }, %)
   |> extrude(50, %)
 
 // We put "thing1" in the shell function to shell the end face of the object.
@@ -146,11 +158,17 @@ const case = startSketchOn('XY')
   |> extrude(65, %)
 
 const thing1 = startSketchOn(case, 'end')
-  |> circle([-size / 2, -size / 2], 25, %)
+  |> circle({
+       center: [-size / 2, -size / 2],
+       radius: 25
+     }, %)
   |> extrude(50, %)
 
 const thing2 = startSketchOn(case, 'end')
-  |> circle([size / 2, -size / 2], 25, %)
+  |> circle({
+       center: [size / 2, -size / 2],
+       radius: 25
+     }, %)
   |> extrude(50, %)
 
 // We put "thing1" and "thing2" in the shell function to shell the end face of the object.
@@ -533,6 +551,26 @@ shell({ faces: ['end'], thickness: 5 }, [thing1, thing2])
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -932,6 +970,26 @@ shell({ faces: ['end'], thickness: 5 }, [thing1, thing2])
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/startProfileAt.md

@@ -258,6 +258,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -561,6 +581,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -770,6 +810,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/startSketchAt.md

@@ -205,6 +205,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -414,6 +434,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/startSketchOn.md

@@ -327,6 +327,26 @@ const a1 = startSketchOn({
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -743,6 +763,26 @@ const a1 = startSketchOn({
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/tangentialArc.md

@@ -188,6 +188,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -397,6 +417,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -608,6 +648,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -817,6 +877,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/tangentialArcTo.md

@@ -179,6 +179,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -388,6 +408,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -599,6 +639,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -808,6 +868,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/tangentialArcToRelative.md

@@ -179,6 +179,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -388,6 +408,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -599,6 +639,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -808,6 +868,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/xLine.md

@@ -182,6 +182,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -391,6 +411,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -602,6 +642,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -811,6 +871,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/xLineTo.md

@@ -182,6 +182,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -391,6 +411,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -602,6 +642,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -811,6 +871,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/yLine.md

@@ -180,6 +180,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -389,6 +409,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -600,6 +640,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -809,6 +869,26 @@ const example = extrude(10, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],

docs/kcl/yLineTo.md

@@ -178,6 +178,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -387,6 +407,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -598,6 +638,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],
@@ -807,6 +867,26 @@ const example = extrude(5, exampleSketch)
 	to: [number, number],
 	type: "TangentialArc",
 } |
+{
+	// arc's direction
+	ccw: bool,
+	// the arc's center
+	center: [number, number],
+	// The from point.
+	from: [number, number],
+	// the arc's radius
+	radius: number,
+	// The tag of the path.
+	tag: {
+	digest: [number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number, number],
+	end: number,
+	start: number,
+	value: string,
+},
+	// The to point.
+	to: [number, number],
+	type: "Circle",
+} |
 {
 	// The from point.
 	from: [number, number],