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Draft Issue, Selected surfaces cannot be drafted

jason_murray495
jason_murray495 Member Posts: 2 ✭
edited October 2022 in Community Support
Hello all,

I have tried everything I can think of and done a whole lot of googling but can't figure out how to apply a draft to the part I am working on. The problem draft (8) is the last feature.

Any tips would be appreciated, thanks

https://cad.onshape.com/documents/252c6e2ff7c59e684f3930b3/w/aef06d6bdb163e0c3ed09300/e/06b8d3b63ea7a39ae5be365d

Answers

  • S1mon
    S1mon Member Posts: 4,588 PRO
    Fillet 2 and Fillet 4 are interacting it a very weird way (see highlighted edges). If you have very simple shapes, applying draft after filleting with "reapply fillets" will work, but in a complex situation like this, it's bound to fail.



    It's usually much better to apply draft earlier in the process and add those smaller fillets later.

    Simon Gatrall | Product Development, Engineering, Design, Onshape | Ex- IDEO, PCH, Unagi, Carbon | LinkedIn

  • NeilCooke
    NeilCooke Moderator, Onshape Employees Posts: 6,116 image
    There are also many things "wrong" with this model e.g. very first sketch has overlapping geometry, no tangency in Sketch4, 2 transforms and a delete part to correct a mistake, 80 features, etc. This all results in bad geometry which will make adding draft and fillets much harder. The art to a good parametric model is to keep things simple and go back to fix earlier features to correct a mistake rather than add more.
    Senior Director, Technical Services, EMEA

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