# Trying to chamfer not working

**URL:** <https://discourse.shapr3d.com/t/trying-to-chamfer-not-working/18598>\
**Category:** Modeling Questions\
**Created:** [April 6, 2022, 7:08pm UTC](https://discourse.shapr3d.com/t/trying-to-chamfer-not-working/18598 "2022-04-06T19:08:04Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![mikenbrenda](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/mikenbrenda/32/6386_2.png) [@mikenbrenda](https://discourse.shapr3d.com/u/mikenbrenda)\
**Post date:** [April 6, 2022, 7:08pm UTC](https://discourse.shapr3d.com/t/trying-to-chamfer-not-working/18598/1 "2022-04-06T19:08:04Z")

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Trying to chamfer this area and normally it always works fine but for some reason it’s going on the inside of it not the outside of it and I’m not sure why I must be missing something I’m new at it still…

But I only want that area to chamfer, ideas?

 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/4/416a207edd1e658868657972693ad4ce39c26b22.jpeg)  
 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/0/0a8bd4b24b124a6aa990d713881bee1cc4cdc3ad.jpeg)

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**Author:** ![NathanD](https://avatars.discourse-cdn.com/v4/letter/n/dec6dc/32.png) [@NathanD](https://discourse.shapr3d.com/u/NathanD)\
**Post date:** [April 6, 2022, 7:15pm UTC](https://discourse.shapr3d.com/t/trying-to-chamfer-not-working/18598/2 "2022-04-06T19:15:23Z")

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It looks like the cylindrical shape is a separate part.  
If you _Union_ the two parts and it should work fine.

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<div class="post-metadata">

**Author:** ![mikenbrenda](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/mikenbrenda/32/6386_2.png) [@mikenbrenda](https://discourse.shapr3d.com/u/mikenbrenda)\
**Post date:** [April 7, 2022, 6:23pm UTC](https://discourse.shapr3d.com/t/trying-to-chamfer-not-working/18598/3 "2022-04-07T18:23:39Z")

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Awesome did that and it worked! thanks!