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Why has my green part some unwanted holes?

co_pa587
co_pa587 Posts: 8 ✭
edited August 2024 in Community Support
Dear community,

I am newbie in OnShape (used FreeCad for years) and I am wondering why I have these holes in the green part, even if there are no holes drawn in Sketch5 - and also Sketch5 is drawn on "Face of thicken 1" where also no holes were introduced yet.

Thanks a lot in advance!
Copa

https://cad.onshape.com/documents/ec65397a550767191fda392a/w/953a0af89c940673e3a92627/e/e07b549591709633cfc67992?renderMode=0&uiState=66b24b1ab046fb7c211a952b


Best Answer

  • MichaelPascoe
    MichaelPascoe Posts: 2,943 PRO
    Answer ✓

    Holes that are on the sketch face are imprinted by default, causing them to appear in your extrude. You can open your sketch and disable imprinting if you don't want to reference the face you are sketching on.



    RENDERCAD
    rendercad.ai - Photorealistic product rendering.

    ▚▞▚▞▚▞▚▞▚
    ________________________________________________________________________

Answers

  • MichaelPascoe
    MichaelPascoe Posts: 2,943 PRO
    Answer ✓

    Holes that are on the sketch face are imprinted by default, causing them to appear in your extrude. You can open your sketch and disable imprinting if you don't want to reference the face you are sketching on.



    RENDERCAD
    rendercad.ai - Photorealistic product rendering.

    ▚▞▚▞▚▞▚▞▚
    ________________________________________________________________________
  • rick_randall
    rick_randall Posts: 434 ✭✭✭
    Micheal's idea is a good one but a 2nd approach would be to simply select the two circular areas along with the rectangle that you are extruding (three picks instead of one) if for some reason you don't want to disable imprinting. Having said that, my preference is to run with it turned off.
  • S1mon
    S1mon Posts: 4,485 PRO
    Looking at your feature tree and the model, I would recommend going through the free training which is available. Normally to create shapes like this, you would use Extrude, not Thicken. Training would also help with the imprinting issue.

    https://learn.onshape.com/

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

  • co_pa587
    co_pa587 Posts: 8 ✭
    MichaelPascoe said:

    Holes that are on the sketch face are imprinted by default, causing them to appear in your extrude. You can open your sketch and disable imprinting if you don't want to reference the face you are sketching on.


    I was sure it would be easy   
    Good to know. Thank you Michael for this quick and helpful response!
  • co_pa587
    co_pa587 Posts: 8 ✭
    rick_randall said:
    Micheal's idea is a good one but a 2nd approach would be to simply select the two circular areas along with the rectangle that you are extruding (three picks instead of one) if for some reason you don't want to disable imprinting. Having said that, my preference is to run with it turned off.
    uh, you are right, I thought I tried this already. But thank you Rick, it works too. Good to know! 👍

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