194 lines
708 KiB
Markdown
194 lines
708 KiB
Markdown
---
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title: "shell"
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excerpt: "Remove volume from a 3-dimensional shape such that a wall of the"
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layout: manual
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---
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Remove volume from a 3-dimensional shape such that a wall of the
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provided thickness remains, taking volume starting at the provided face, leaving it open in that direction.
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```js
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shell(data: ShellData, solid_set: SolidSet) -> SolidSet
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```
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### Arguments
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| Name | Type | Description | Required |
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|----------|------|-------------|----------|
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| `data` | [`ShellData`](/docs/kcl/types/ShellData) | Data for shells. | Yes |
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| `solid_set` | [`SolidSet`](/docs/kcl/types/SolidSet) | A solid or a group of solids. | Yes |
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### Returns
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[`SolidSet`](/docs/kcl/types/SolidSet) - A solid or a group of solids.
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### Examples
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```js
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// Remove the end face for the extrusion.
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firstSketch = startSketchOn('XY')
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|> startProfileAt([-12, 12], %)
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|> line(end = [24, 0])
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|> line(end = [0, -24])
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|> line(end = [-24, 0])
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|> close()
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|> extrude(length = 6)
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// Remove the end face for the extrusion.
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shell({ faces = ['end'], thickness = 0.25 }, firstSketch)
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```
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```js
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// Remove the start face for the extrusion.
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firstSketch = startSketchOn('-XZ')
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|> startProfileAt([-12, 12], %)
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|> line(end = [24, 0])
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|> line(end = [0, -24])
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|> line(end = [-24, 0])
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|> close()
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|> extrude(length = 6)
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// Remove the start face for the extrusion.
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shell({ faces = ['start'], thickness = 0.25 }, firstSketch)
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```
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```js
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// Remove a tagged face and the end face for the extrusion.
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firstSketch = startSketchOn('XY')
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|> startProfileAt([-12, 12], %)
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|> line(end = [24, 0])
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|> line(end = [0, -24])
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|> line(end = [-24, 0], tag = $myTag)
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|> close()
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|> extrude(length = 6)
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// Remove a tagged face for the extrusion.
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shell({ faces = [myTag], thickness = 0.25 }, firstSketch)
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```
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```js
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// Remove multiple faces at once.
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firstSketch = startSketchOn('XY')
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|> startProfileAt([-12, 12], %)
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|> line(end = [24, 0])
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|> line(end = [0, -24])
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|> line(end = [-24, 0], tag = $myTag)
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|> close()
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|> extrude(length = 6)
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// Remove a tagged face and the end face for the extrusion.
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shell({
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faces = [myTag, 'end'],
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thickness = 0.25
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}, firstSketch)
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```
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```js
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// Shell a sketch on face.
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size = 100
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case = startSketchOn('-XZ')
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|> startProfileAt([-size, -size], %)
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|> line(end = [2 * size, 0])
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|> line(end = [0, 2 * size])
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|> tangentialArcTo([-size, size], %)
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|> close()
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|> extrude(length = 65)
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thing1 = startSketchOn(case, 'end')
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|> circle({
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center = [-size / 2, -size / 2],
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radius = 25
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}, %)
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|> extrude(length = 50)
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thing2 = startSketchOn(case, 'end')
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|> circle({
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center = [size / 2, -size / 2],
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radius = 25
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}, %)
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|> extrude(length = 50)
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// We put "case" in the shell function to shell the entire object.
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shell({ faces = ['start'], thickness = 5 }, case)
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```
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```js
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// Shell a sketch on face object on the end face.
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size = 100
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case = startSketchOn('XY')
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|> startProfileAt([-size, -size], %)
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|> line(end = [2 * size, 0])
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|> line(end = [0, 2 * size])
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|> tangentialArcTo([-size, size], %)
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|> close()
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|> extrude(length = 65)
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thing1 = startSketchOn(case, 'end')
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|> circle({
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center = [-size / 2, -size / 2],
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radius = 25
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}, %)
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|> extrude(length = 50)
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thing2 = startSketchOn(case, 'end')
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|> circle({
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center = [size / 2, -size / 2],
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radius = 25
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}, %)
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|> extrude(length = 50)
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// We put "thing1" in the shell function to shell the end face of the object.
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shell({ faces = ['end'], thickness = 5 }, thing1)
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```
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```js
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// Shell sketched on face objects on the end face, include all sketches to shell
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// the entire object.
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size = 100
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case = startSketchOn('XY')
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|> startProfileAt([-size, -size], %)
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|> line(end = [2 * size, 0])
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|> line(end = [0, 2 * size])
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|> tangentialArcTo([-size, size], %)
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|> close()
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|> extrude(length = 65)
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thing1 = startSketchOn(case, 'end')
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|> circle({
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center = [-size / 2, -size / 2],
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radius = 25
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}, %)
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|> extrude(length = 50)
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thing2 = startSketchOn(case, 'end')
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|> circle({
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center = [size / 2, -size / 2],
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radius = 25
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}, %)
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|> extrude(length = 50)
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// We put "thing1" and "thing2" in the shell function to shell the end face of the object.
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shell({ faces = ['end'], thickness = 5 }, [thing1, thing2])
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```
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