# Major problems with chamfer

**URL:** <https://discourse.shapr3d.com/t/major-problems-with-chamfer/17401>\
**Category:** Modeling Questions\
**Created:** [February 13, 2022, 6:26pm UTC](https://discourse.shapr3d.com/t/major-problems-with-chamfer/17401 "2022-02-13T18:26:05Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![jb7](https://avatars.discourse-cdn.com/v4/letter/j/e5b9ba/32.png) [@jb7](https://discourse.shapr3d.com/u/jb7)\
**Post date:** [February 13, 2022, 6:26pm UTC](https://discourse.shapr3d.com/t/major-problems-with-chamfer/17401/1 "2022-02-13T18:26:05Z")

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I’ve been on this program a lot more than I should have been recently. The chamfer tool is completely unreliable, I spend a lot of time chamfering edges just to have it fail towards the end of a face, with a resulting lack of productivity. The program has crashed several times, and I’ve sent crash reports and models as requested.

In addition, since I expect it to fail, I’ve taken to copying and storing copies of models, which has led to a lot of clutter. Once a model is partially chamfered, you can’t remove the chamfers, or bring the model back to an editable state without undoing multiple steps, some of which might be useful to retain.

I was assuming that I might have had something to do with it myself, since my geometries aren’t the usual neat concentric and rectilinear example that work so well in tutorials, so I worked hard to make clean models. However, I’ve just made a nice clean model, and still it fails. HGow is it possible make the 0.2mm chamfer, then fail to make the chamfer on the next face? Exactly the same geometry.

 ![image](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/3/3f581c2cdb36e59e85d9852ed00ace10e0764028.jpeg)

In addition, unlike the demonstrations, I have to select all the edges myself, usually, since the chamfers are applied only to the selected edges.

Can anyone figure out why this might be happening?

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**Author:** ![Istvan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/istvan/32/23668_2.png) [@Istvan](https://discourse.shapr3d.com/u/Istvan)\
**Post date:** [February 13, 2022, 6:30pm UTC](https://discourse.shapr3d.com/t/major-problems-with-chamfer/17401/2 "2022-02-13T18:30:22Z")

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In this specific case, these two vertices are problematic. What would you expect from the chamfer tool to do here?

 ![3f581c2cdb36e59e85d9852ed00ace10e0764028](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/2X/2/20ef04353ddec625e7f78476a368136fe1b6ffb4.jpeg)

Can you show me an exmpale where you couldn’t remove the chamfer? I’d be glad to help with that as well.

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**Author:** ![jb7](https://avatars.discourse-cdn.com/v4/letter/j/e5b9ba/32.png) [@jb7](https://discourse.shapr3d.com/u/jb7)\
**Post date:** [February 13, 2022, 6:48pm UTC](https://discourse.shapr3d.com/t/major-problems-with-chamfer/17401/3 "2022-02-13T18:48:23Z")

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You can see that I’ve already applied chamfers to the same element to the left, which weren’t problematic. They’re exactly the same geometry

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**Author:** ![Istvan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/istvan/32/23668_2.png) [@Istvan](https://discourse.shapr3d.com/u/Istvan)\
**Post date:** [February 13, 2022, 6:51pm UTC](https://discourse.shapr3d.com/t/major-problems-with-chamfer/17401/4 "2022-02-13T18:51:55Z")

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At this resolution they looked like fillets to me. Can you share the design in Shapr3D format? That would help a lot better understanding the issue.

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**Author:** ![jb7](https://avatars.discourse-cdn.com/v4/letter/j/e5b9ba/32.png) [@jb7](https://discourse.shapr3d.com/u/jb7)\
**Post date:** [February 13, 2022, 8:15pm UTC](https://discourse.shapr3d.com/t/major-problems-with-chamfer/17401/5 "2022-02-13T20:15:56Z")

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Yes, you’re correct, I got my terminology reversed- it’s fillets I want, and I can make the fillets on the first set of edges, but I can’t repeat them on the others