# Flatten a 3D shell

**URL:** <https://forums.sketchup.com/t/flatten-a-3d-shell/54372>\
**Category:** SketchUp\
**Created:** [November 2, 2017, 4:34pm UTC](https://forums.sketchup.com/t/flatten-a-3d-shell/54372 "2017-11-02T16:34:40Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![kingkahn](https://avatars.discourse-cdn.com/v4/letter/k/c0e974/32.png) [@kingkahn](https://forums.sketchup.com/u/kingkahn)\
**Post date:** [November 2, 2017, 4:34pm UTC](https://forums.sketchup.com/t/flatten-a-3d-shell/54372/1 "2017-11-02T16:34:40Z")

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I am a beginner to sketchup and want to try to flatten or unfold the shell attached. I will putting a design on the flat surface produced and then wrap it around the 3D shape. The material to cut out in a flat plane will be wood veneer which has some flexibility to fold/bend[outside surface.skp](https://forums.sketchup.com/uploads/short-url/pPp4sqhZBS5g9GSH55PSWlWxfVR.skp) (147.4 KB)

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**Author:** ![SketchUp3D\_de](https://sea2.discourse-cdn.com/sketchup/user_avatar/forums.sketchup.com/sketchup3d_de/32/167_2.png) [@SketchUp3D\_de](https://forums.sketchup.com/u/SketchUp3D_de)\
**Post date:** [November 2, 2017, 4:46pm UTC](https://forums.sketchup.com/t/flatten-a-3d-shell/54372/2 "2017-11-02T16:46:05Z")

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• SketchUp Extension Warehouse : [Unwrap and Flatten Faces](https://extensions.sketchup.com/content/flatten-faces) (Installation: “Window \> Extension Warehouse…”)  
• SketchUcation : [Flattery Papercraft Tools](http://sketchucation.com/forums/viewtopic.php?p=238568#p238568) (Installation: “Window \> Extension Manager…”)

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**Author:** ![DaveR](https://sea2.discourse-cdn.com/sketchup/user_avatar/forums.sketchup.com/daver/32/7601_2.png) [@DaveR](https://forums.sketchup.com/u/DaveR)\
**Post date:** [November 2, 2017, 4:46pm UTC](https://forums.sketchup.com/t/flatten-a-3d-shell/54372/3 "2017-11-02T16:46:38Z")

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I would use the Flattery extension to unfold the shape. It’s available from Sketchucation.

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**Author:** ![kingkahn](https://avatars.discourse-cdn.com/v4/letter/k/c0e974/32.png) [@kingkahn](https://forums.sketchup.com/u/kingkahn)\
**Post date:** [November 2, 2017, 4:47pm UTC](https://forums.sketchup.com/t/flatten-a-3d-shell/54372/4 "2017-11-02T16:47:22Z")

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Thanks i’ll look into it

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**Author:** ![kingkahn](https://avatars.discourse-cdn.com/v4/letter/k/c0e974/32.png) [@kingkahn](https://forums.sketchup.com/u/kingkahn)\
**Post date:** [November 3, 2017, 4:42am UTC](https://forums.sketchup.com/t/flatten-a-3d-shell/54372/5 "2017-11-03T04:42:28Z")

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I took a corner as an isolated section and flattened that. The rest of the model is flat or simple curve surfaces so its easy[corner cut out.skp](https://forums.sketchup.com/uploads/short-url/iK8UkWQSyzL6n6gOtTG6Zg6jya4.skp) (113.4 KB)

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**Author:** ![system](https://global.discourse-cdn.com/sketchup/original/3X/f/2/f2a121500b085ed60806607a82720b092d800bb3.png) [@system](https://forums.sketchup.com/u/system)\
**Post date:** [February 2, 2018, 8:42pm UTC](https://forums.sketchup.com/t/flatten-a-3d-shell/54372/6 "2018-02-02T20:42:43Z")

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Closed on February 2, 2018, 8:42pm UTC

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