# \#extrudegeometry

**URL:** https://discourse.threejs.org/tag/extrudegeometry/1423.md

[Latest](https://discourse.threejs.org/latest.md) · [Categories](https://discourse.threejs.org/categories.md) · [Tags](https://discourse.threejs.org/tags.md)

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## [Custom face material on ExtrudeGeometry](https://discourse.threejs.org/t/custom-face-material-on-extrudegeometry/90550)

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**Author:** [@kalabedo](https://discourse.threejs.org/u/kalabedo)\
**Replies:** 10\
**Last updated:** [March 25, 2026, 11:48am UTC](https://discourse.threejs.org/t/custom-face-material-on-extrudegeometry/90550 "2026-03-25T11:48:09Z")

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Hi there, in one of my apps i use ExtrudeGeometries heavily. I know that there is a way to give the caps and the faces created by the extrusion different materials with material groups 1 and 2. Today i thought if the fo…

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## [Manhole Cover \[ ExtrudeGeometry \]](https://discourse.threejs.org/t/manhole-cover-extrudegeometry/82503)

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**Author:** [@prisoner849](https://discourse.threejs.org/u/prisoner849)\
**Replies:** 2\
**Last updated:** [May 16, 2025, 7:16pm UTC](https://discourse.threejs.org/t/manhole-cover-extrudegeometry/82503 "2025-05-16T19:16:49Z")

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Hi community! If, one day, someone wants to build a manhole cover, this topic can be a starting point :sweat\_smile: Reference (unique original): Result (pathetic parody): Demo: https://codepen.io/prisoner849/fu…

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## [Can an ExtrudeGeometry's normals "remember" the shape it was made from?](https://discourse.threejs.org/t/can-an-extrudegeometrys-normals-remember-the-shape-it-was-made-from/74029)

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**Author:** [@ericman314](https://discourse.threejs.org/u/ericman314)\
**Replies:** 9\
**Last updated:** [November 14, 2024, 10:06pm UTC](https://discourse.threejs.org/t/can-an-extrudegeometrys-normals-remember-the-shape-it-was-made-from/74029 "2024-11-14T22:06:59Z")

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I am creating a Shape that can contain lines and arcs, and then extruding that using an ExtrudeGeometry. Here’s an example of the result I am getting (this one just contains arcs, no lines): You can see that when th…

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## [How to fix UV problem on ExtrudeGeometry](https://discourse.threejs.org/t/how-to-fix-uv-problem-on-extrudegeometry/72691)

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**Author:** [@kalabedo](https://discourse.threejs.org/u/kalabedo)\
**Replies:** 14\
**Last updated:** [October 13, 2024, 12:24pm UTC](https://discourse.threejs.org/t/how-to-fix-uv-problem-on-extrudegeometry/72691 "2024-10-13T12:24:28Z")

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Hi there, I created a component that creates a ExtrudeGeometry by giving it a width and a angle value. That works so far. As you can see in the Codesandbox the uv messes up when an angle is applied obviously. My goal i…

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## [I got the issue on number of groups in ExtrudeGeometry](https://discourse.threejs.org/t/i-got-the-issue-on-number-of-groups-in-extrudegeometry/69594)

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**Author:** [@Ningomba](https://discourse.threejs.org/u/Ningomba)\
**Replies:** 2\
**Last updated:** [August 22, 2024, 10:09am UTC](https://discourse.threejs.org/t/i-got-the-issue-on-number-of-groups-in-extrudegeometry/69594 "2024-08-22T10:09:54Z")

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private generateCurvedCube2(): void { const shape = new THREE.Shape(); shape.moveTo(0,0); shape.lineTo(0,3); shape.absarc(1.5, 1.5, 1.65, 26.2, 5.2, true); shape.lineTo(0,0); const extrudeSetting = { depth: 3, be…

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## [Die Digitaluhr / The digital clock](https://discourse.threejs.org/t/die-digitaluhr-the-digital-clock/62748)

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**Author:** [@prisoner849](https://discourse.threejs.org/u/prisoner849)\
**Replies:** 5\
**Last updated:** [March 18, 2024, 3:57pm UTC](https://discourse.threejs.org/t/die-digitaluhr-the-digital-clock/62748 "2024-03-18T15:57:34Z")

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Hi community! Video: Demo: https://codepen.io/prisoner849/full/wvZGjBj It’s all started with this post: Apply thickness to THREE.TubeGeometry for border - #5 by prisoner849, and ended up with this funky device …

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## [Extrude Complex SVG with React Three Fiber](https://discourse.threejs.org/t/extrude-complex-svg-with-react-three-fiber/59363)

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**Author:** [@psygo](https://discourse.threejs.org/u/psygo)\
**Replies:** 0\
**Last updated:** [December 18, 2023, 12:06pm UTC](https://discourse.threejs.org/t/extrude-complex-svg-with-react-three-fiber/59363 "2023-12-18T12:06:48Z")

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This question has a bounty on Stack Overflow as well. By following this CodeSandbox example by rabelais88, it’s possible to extrude an SVG with React Three Fiber. However, when I try doing it with the more complex ti…

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## [Rotational Extrusion with React Three Fiber](https://discourse.threejs.org/t/rotational-extrusion-with-react-three-fiber/59331)

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**Author:** [@psygo](https://discourse.threejs.org/u/psygo)\
**Replies:** 0\
**Last updated:** [December 17, 2023, 6:38pm UTC](https://discourse.threejs.org/t/rotational-extrusion-with-react-three-fiber/59331 "2023-12-17T18:38:02Z")

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This question has a bounty on Stack Overflow as well. Depth Extrusion seems to be not very difficult in Three.js. However, I’m having a hard time finding any resources on how to do Rotational Extrusions through it. S…

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## [Obsidian tranquillity](https://discourse.threejs.org/t/obsidian-tranquillity/53363)

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**Author:** [@prisoner849](https://discourse.threejs.org/u/prisoner849)\
**Replies:** 5\
**Last updated:** [June 29, 2023, 9:21pm UTC](https://discourse.threejs.org/t/obsidian-tranquillity/53363 "2023-06-29T21:21:53Z")

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Hi community! Picture: Demo: https://codepen.io/prisoner849/full/jOQyVYm Head: ExtrudeGeometry Body: TubeGeometry with an applied curve for its radius. Eyes: OctahedronGeometry (modified) Camera returns to its i…

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## [Dynamic update of EdgesGeometry](https://discourse.threejs.org/t/dynamic-update-of-edgesgeometry/49361)

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**Author:** [@aalavandhaann](https://discourse.threejs.org/u/aalavandhaann)\
**Replies:** 3\
**Last updated:** [March 22, 2023, 4:51am UTC](https://discourse.threejs.org/t/dynamic-update-of-edgesgeometry/49361 "2023-03-22T04:51:03Z")

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Hello Everyone, I am looking for some suggestions and advise. I am currently using EdgesGeometry as a way to render the contours of some geometries in my scene. It works flawlessly to begin with. However, the applicatio…