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Failed to extrude, check input

jesse_kowalczyk439jesse_kowalczyk439 Member Posts: 4

I am new to Onshape and I am having trouble extruding a part. Everything is fine aside from the large outer part.

https://cad.onshape.com/documents/32e2b614d869569c8efdb434/w/98ee852302e92c1b2e200b60/e/5786a0d2678d468ef726d7b3

Untitled.png

Comments

  • jelte_steur814jelte_steur814 Member Posts: 426 PRO
    edited April 14

    something strange is happening. probably the underlying sketch has some difficult geometry.

    are you sure this is what you want to extrude though? or should it be a base plate that the other parts sit on? or is it for a multi-color part?

    in either case, it may be better to select all faces of the sketch3 (or sketch the base plate in a separate sketch). extrude it, and add/subtract the other parts afterwards…

    like this:

    https://cad.onshape.com/documents/ddcabc87bd91457783243e3b/w/78c7959fdbdd46737117e70e/e/6b7b65247b2339a6a6326a05?renderMode=0&uiState=67fcb9968541cb14f63debd9

    image.png

    edit:

    ah, and as you try that, the boolean subtract will give you more explicit feedback on the problematic area:

    image.png

    these edges are just touching. when that occurs in a single part, CAD doesn't know how to behave on that edge.

    so solve that in your sketch and your original approach will work also…

  • jesse_kowalczyk439jesse_kowalczyk439 Member Posts: 4

    Thank you very much for taking a look and replying. It is a multi color part, I'll see if I can fix it when I get on my computer.

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