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Extrude, Keep Edges

famadorianfamadorian Member Posts: 201 ✭✭
edited February 3 in Community Support
If I extrude something like this, the edges disappear.

What I mean is that I've specifically made cuts here that I want the extrude to keep. 

If that's not possible, then I'm not sure which workflow I should be using, cause this is a cabinet and when I attach the door to this cabinet in the assembly, I don't have the edge that I want to attach it to. 

https://cad.onshape.com/documents/a3610a44fdd7c3eb8128d329/v/ef5ec9cd30c496a8b6f3635c/e/361a1676f80cbe423bcba51c

Best Answer

Answers

  • NeilCookeNeilCooke Moderator, Onshape Employees Posts: 2,050
    If you’re using “add” then any intersections will merge with the rest of the model. If you use “new” it will keep the edge. I think that is what you are asking?
    Neil Cooke, Director of Technical Marketing, Onshape Inc.
  • famadorianfamadorian Member Posts: 201 ✭✭
    Ok, I tried using "New", but it complains that "No merge scope selected", even though I checked "Merge with all"


  • NeilCookeNeilCooke Moderator, Onshape Employees Posts: 2,050
    You image says “add”?
    Neil Cooke, Director of Technical Marketing, Onshape Inc.
  • famadorianfamadorian Member Posts: 201 ✭✭
    Right, but I was using "new"; sorry, was confused. 

    However, when I use "new", the edges disappear. 


  • famadorianfamadorian Member Posts: 201 ✭✭
    Here's the result of using "new"; the edges I want disappears from the final extruded result


  • famadorianfamadorian Member Posts: 201 ✭✭
    I want to somehow get this edge, which was in the sketch

    I need this edge to put the door on. 

    I can ofcourse make a whole new plane and add some geometry there, but if there is a way to get this edge, it would save me that step. 


  • Jake_RosenfeldJake_Rosenfeld Moderator, Onshape Employees, Developers Posts: 1,256
    edited February 4
    That or after the extrude, split the front face with the planar faces created by the extrude.
    https://cad.onshape.com/help/Content/splitpart.htm
    Jake Rosenfeld - Modeling Team
  • famadorianfamadorian Member Posts: 201 ✭✭
    Thanks;)

  • owen_sparksowen_sparks Member, Developers Posts: 2,155 PRO
    edited February 4
    That or after the extrude, split the front face with the planar faces created by the extrude.
    https://cad.onshape.com/help/Content/splitpart.htm
    Just as another alternative, there is a custom extrude feature that does that.  Now who wrote it?  I think it was a Jake Someoneorother, hang on a minute I'm sure it will come back to me :*

    O.S.
    Production Engineer
    HWM-Water Ltd
  • Jake_RosenfeldJake_Rosenfeld Moderator, Onshape Employees, Developers Posts: 1,256
    edited February 4
  • owen_sparksowen_sparks Member, Developers Posts: 2,155 PRO
    edited February 4
    That's the one, clever chap that Mr. J.  Someoneorother
    Production Engineer
    HWM-Water Ltd
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