modeling-app/docs/kcl/patternCircular3d.md

---
title: "patternCircular3d"
excerpt: "Repeat a 3-dimensional solid some number of times along a partial or"
layout: manual
---

Repeat a 3-dimensional solid some number of times along a partial or

complete circle some specified number of times. Each object may additionally be rotated along the circle, ensuring orentation of the solid with respect to the center of the circle is maintained.

```js
patternCircular3d(data: CircularPattern3dData, extrude_group_set: ExtrudeGroupSet) -> [ExtrudeGroup]
```

### Examples

```js
const exampleSketch = startSketchOn('XZ')
  |> circle([0, 0], 1, %)

const example = extrude(-5, exampleSketch)
  |> patternCircular3d({
       axis: [1, -1, 0],
       center: [10, -20, 0],
       repetitions: 10,
       arcDegrees: 360,
       rotateDuplicates: true
     }, %)
```

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### Arguments

* `data`: `CircularPattern3dData` - Data for a circular pattern on a 3D model. (REQUIRED)
```js
{
	// The arc angle (in degrees) to place the repetitions. Must be greater than 0.
	arcDegrees: number,
	// The axis around which to make the pattern. This is a 3D vector.
	axis: [number, number, number],
	// The center about which to make the pattern. This is a 3D vector.
	center: [number, number, number],
	// The number of repetitions. Must be greater than 0. This excludes the original entity. For example, if `repetitions` is 1, the original entity will be copied once.
	repetitions: number,
	// Whether or not to rotate the duplicates as they are copied.
	rotateDuplicates: bool,
}
```
* `extrude_group_set`: `ExtrudeGroupSet` - A extrude group or a group of extrude groups. (REQUIRED)
```js
{
	// Chamfers or fillets on this extrude group.
	edgeCuts: [{
	// The engine id of the edge to fillet.
	edgeId: uuid,
	// The id of the engine command that called this fillet.
	id: uuid,
	radius: number,
	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,
},
	type: "fillet",
} |
{
	// The engine id of the edge to chamfer.
	edgeId: uuid,
	// The id of the engine command that called this chamfer.
	id: uuid,
	length: number,
	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,
},
	type: "chamfer",
}],
	// The id of the extrusion end cap
	endCapId: uuid,
	// The height of the extrude group.
	height: number,
	// The id of the extrude group.
	id: uuid,
	// The sketch group.
	sketchGroup: {
	// The id of the sketch group (this will change when the engine's reference to it changes.
	id: uuid,
	// What the sketch is on (can be a plane or a face).
	on: {
	// The id of the plane.
	id: uuid,
	// Origin of the plane.
	origin: {
	x: number,
	y: number,
	z: number,
},
	type: "plane",
	// Type for a plane.
	value: "XY" | "XZ" | "YZ" | "Custom",
	// What should the plane’s X axis be?
	xAxis: {
	x: number,
	y: number,
	z: number,
},
	// What should the plane’s Y axis be?
	yAxis: {
	x: number,
	y: number,
	z: number,
},
	// The z-axis (normal).
	zAxis: {
	x: number,
	y: number,
	z: number,
},
} |
{
	// The extrude group the face is on.
	extrudeGroup: {
	// Chamfers or fillets on this extrude group.
	edgeCuts: [{
	// The engine id of the edge to fillet.
	edgeId: uuid,
	// The id of the engine command that called this fillet.
	id: uuid,
	radius: number,
	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,
},
	type: "fillet",
} |
{
	// The engine id of the edge to chamfer.
	edgeId: uuid,
	// The id of the engine command that called this chamfer.
	id: uuid,
	length: number,
	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,
},
	type: "chamfer",
}],
	// The id of the extrusion end cap
	endCapId: uuid,
	// The height of the extrude group.
	height: number,
	// The id of the extrude group.
	id: uuid,
	// The sketch group.
	sketchGroup: SketchGroup,
	// The id of the extrusion start cap
	startCapId: uuid,
	// The extrude surfaces.
	value: [{
	// The face id for the extrude plane.
	faceId: uuid,
	// The id of the geometry.
	id: uuid,
	// The source range.
	sourceRange: [number, number],
	// The tag.
	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,
},
	type: "extrudePlane",
} |
{
	// The face id for the extrude plane.
	faceId: uuid,
	// The id of the geometry.
	id: uuid,
	// The source range.
	sourceRange: [number, number],
	// The tag.
	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,
},
	type: "extrudeArc",
} |
{
	// The id for the chamfer surface.
	faceId: uuid,
	// The id of the geometry.
	id: uuid,
	// The source range.
	sourceRange: [number, number],
	// The tag.
	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,
},
	type: "chamfer",
} |
{
	// The id for the fillet surface.
	faceId: uuid,
	// The id of the geometry.
	id: uuid,
	// The source range.
	sourceRange: [number, number],
	// The tag.
	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,
},
	type: "fillet",
}],
},
	// The id of the face.
	id: uuid,
	type: "face",
	// The tag of the face.
	value: string,
	// What should the face’s X axis be?
	xAxis: {
	x: number,
	y: number,
	z: number,
},
	// What should the face’s Y axis be?
	yAxis: {
	x: number,
	y: number,
	z: number,
},
	// The z-axis (normal).
	zAxis: {
	x: number,
	y: number,
	z: number,
},
},
	// The starting path.
	start: {
	// The from point.
	from: [number, 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],
},
	// Tag identifiers that have been declared in this sketch group.
	tags: {
},
	// The paths in the sketch group.
	value: [{
	// The from point.
	from: [number, 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: "ToPoint",
} |
{
	// arc's direction
	ccw: bool,
	// the arc's center
	center: [number, number],
	// The from point.
	from: [number, 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: "TangentialArcTo",
} |
{
	// arc's direction
	ccw: bool,
	// the arc's center
	center: [number, number],
	// The from point.
	from: [number, 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: "TangentialArc",
} |
{
	// The from point.
	from: [number, 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: "Horizontal",
	// The x coordinate.
	x: number,
} |
{
	// The from point.
	from: [number, 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: "AngledLineTo",
	// The x coordinate.
	x: number,
	// The y coordinate.
	y: number,
} |
{
	// The from point.
	from: [number, 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: "Base",
}],
},
	// The id of the extrusion start cap
	startCapId: uuid,
	type: "extrudeGroup",
	// The extrude surfaces.
	value: [{
	// The face id for the extrude plane.
	faceId: uuid,
	// The id of the geometry.
	id: uuid,
	// The source range.
	sourceRange: [number, number],
	// The tag.
	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,
},
	type: "extrudePlane",
} |
{
	// The face id for the extrude plane.
	faceId: uuid,
	// The id of the geometry.
	id: uuid,
	// The source range.
	sourceRange: [number, number],
	// The tag.
	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,
},
	type: "extrudeArc",
} |
{
	// The id for the chamfer surface.
	faceId: uuid,
	// The id of the geometry.
	id: uuid,
	// The source range.
	sourceRange: [number, number],
	// The tag.
	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,
},
	type: "chamfer",
} |
{
	// The id for the fillet surface.
	faceId: uuid,
	// The id of the geometry.
	id: uuid,
	// The source range.
	sourceRange: [number, number],
	// The tag.
	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,
},
	type: "fillet",
}],
} |
{
	type: "extrudeGroups",
}
```

### Returns

`[ExtrudeGroup]`