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* updates Signed-off-by: Jess Frazelle <github@jessfraz.com> * fix docs; Signed-off-by: Jess Frazelle <github@jessfraz.com> * updates Signed-off-by: Jess Frazelle <github@jessfraz.com> * updates Signed-off-by: Jess Frazelle <github@jessfraz.com> * updates Signed-off-by: Jess Frazelle <github@jessfraz.com> * updates Signed-off-by: Jess Frazelle <github@jessfraz.com> * updates Signed-off-by: Jess Frazelle <github@jessfraz.com> * updates Signed-off-by: Jess Frazelle <github@jessfraz.com> * updates Signed-off-by: Jess Frazelle <github@jessfraz.com> * updates Signed-off-by: Jess Frazelle <github@jessfraz.com> * parens Signed-off-by: Jess Frazelle <github@jessfraz.com> * parens Signed-off-by: Jess Frazelle <github@jessfraz.com> --------- Signed-off-by: Jess Frazelle <github@jessfraz.com>
89 lines
313 KiB
Markdown
89 lines
313 KiB
Markdown
---
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title: "hollow"
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excerpt: "Make the inside of a 3D object hollow."
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layout: manual
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---
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Make the inside of a 3D object hollow.
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Remove volume from a 3-dimensional shape such that a wall of the provided thickness remains around the exterior of the shape.
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```js
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hollow(thickness: number, solid: Solid) -> Solid
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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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| `thickness` | `number` | | Yes |
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| `solid` | [`Solid`](/docs/kcl/types/Solid) | A solid is a collection of extrude surfaces. | Yes |
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### Returns
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[`Solid`](/docs/kcl/types/Solid) - A solid is a collection of extrude surfaces.
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### Examples
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```js
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// Hollow a basic sketch.
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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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|> hollow(0.25, %)
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```
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```js
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// Hollow a basic sketch.
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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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|> hollow(0.5, %)
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```
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```js
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// Hollow a sketch on face object.
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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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hollow(0.5, case)
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```
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