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Boolean oparations failed to return a valid part

andersanders Member Posts: 4
Hi again i have a new issue i get the title error when i try to extrude the face of a part into another part to make slots in it.

The public file:
https://cad.onshape.com/documents/84af1ad065c643e68dde8958/w/dfe821d4f0d34ae59f83b4ee/e/ed4e94c7f875463d96654237

Thanks in advance :)

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Answers

  • andrew_troupandrew_troup Member, Mentor Posts: 1,584 ✭✭✭✭
    edited December 2015
    The usual reason for a boolean operation to fail, as in your case, is that it creates an invalid body

    Often this is due to "zero thickness geometry" and the resulting body is "non-manifold"
    If you search this forum on those search terms, you will get the idea.

    One more thing which you probably have worked out but others may not: if you hover the cursor over the red title and wait a moment, you will get an error message which, at least in some cases, will help with working out why the modelling engine has spat the dummy.
  • andersanders Member Posts: 4
    Ah yes thank you both i think i understand the issue much better now. I thought there would be a way to remove them all at once, a much faster and cleaner way to do it :)
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