# Chamfer empty box

**URL:** <https://discourse.shapr3d.com/t/chamfer-empty-box/30642>\
**Category:** Modeling Questions\
**Created:** [March 5, 2024, 9:18am UTC](https://discourse.shapr3d.com/t/chamfer-empty-box/30642 "2024-03-05T09:18:00Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![bapman007](https://avatars.discourse-cdn.com/v4/letter/b/898d66/32.png) [@bapman007](https://discourse.shapr3d.com/u/bapman007)\
**Post date:** [March 5, 2024, 9:18am UTC](https://discourse.shapr3d.com/t/chamfer-empty-box/30642/1 "2024-03-05T09:18:00Z")

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Hi, new to Shapr3D.

I am trying to create an empty box with a wall thickness of 1.5mm and Chamfered bottom edge. problem is how to duplicate the same chamfer on the inner surface of the box to maintain the 1.5mm wall and bottom thickness?

thanks

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**Author:** ![TigerMike](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/tigermike/32/32650_2.png) [@TigerMike](https://discourse.shapr3d.com/u/TigerMike)\
**Post date:** [March 5, 2024, 3:29pm UTC](https://discourse.shapr3d.com/t/chamfer-empty-box/30642/2 "2024-03-05T15:29:25Z")

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Here’s a way (assuming you already have the box shelled with the 1.5mm chamfer at the bottom).

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**Author:** ![Xdrakosha](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/xdrakosha/32/24881_2.png) [@Xdrakosha](https://discourse.shapr3d.com/u/Xdrakosha)\
**Post date:** [March 5, 2024, 7:14pm UTC](https://discourse.shapr3d.com/t/chamfer-empty-box/30642/3 "2024-03-05T19:14:43Z")

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You always can chamfer before doing shell. In that case shell will do inner chamfer for you.

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**Author:** ![Oregonerd](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/oregonerd/32/8012_2.png) [@Oregonerd](https://discourse.shapr3d.com/u/Oregonerd)\
**Post date:** [March 5, 2024, 7:57pm UTC](https://discourse.shapr3d.com/t/chamfer-empty-box/30642/4 "2024-03-05T19:57:22Z")

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That would be the preferred method. Mike’s solution demonstrates the offset face tool’s ability nicely.

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**Author:** ![Xdrakosha](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/xdrakosha/32/24881_2.png) [@Xdrakosha](https://discourse.shapr3d.com/u/Xdrakosha)\
**Post date:** [March 5, 2024, 8:11pm UTC](https://discourse.shapr3d.com/t/chamfer-empty-box/30642/5 "2024-03-05T20:11:59Z")

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Using history-based parametric modeling version you can always go back and do chamfer before shell. And that’s the real power of this type of modeling.

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**Author:** ![bapman007](https://avatars.discourse-cdn.com/v4/letter/b/898d66/32.png) [@bapman007](https://discourse.shapr3d.com/u/bapman007)\
**Post date:** [March 6, 2024, 8:43am UTC](https://discourse.shapr3d.com/t/chamfer-empty-box/30642/6 "2024-03-06T08:43:50Z")

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Wow, Thanks so much! this community is wonderful and a huge help!