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How do I extrude two parts of the same sketch different heights?

grant_piephoffgrant_piephoff Member Posts: 6
I cannot seem to figure out how to extrude each of these rectangles of the same sketch to different heights. I know I can extrude one and make another sketch of the other to extrude, but that just seems like a waste. I know in other programs you can do multiple extrusions of the same sketch, and I would imagine OnShape can as well. Can someone walk me through the steps to do it? Thanks. 


  • NeilCookeNeilCooke Moderator, Onshape Employees Posts: 4,953
    Hi @grant_piephoff - welcome to Onshape! I think it's the same in all CAD systems:

    1. Create an Extrude feature and select one region.
    2. Create another Extrude feature and select the other region.
    Senior Director, Technical Services, EMEA 
  • grant_piephoffgrant_piephoff Member Posts: 6
    That doesn't work for me. I can do the first extrude on one of the rectangles just fine. But once I go to do the second, the sketch geometry is no longer available for selection and at most all I can do is select all of sketch 1, which extrudes both rectangles to the same height. I don't know if I am just messing this up, but I cannot figure it out.
  • mthiesmeyermthiesmeyer Onshape Employees Posts: 115
    Hi @grant_piephoff,

    Once a downstream feature uses a sketch that you have not explicitly set to `Show` we will automatically hide that sketch. You can re-show it by clicking the eye icon next to the Sketch feature in the feature list. That should allow you to pick the second rectangle for your second extrude feature.


  • grant_piephoffgrant_piephoff Member Posts: 6
    That worked, thanks so much!
  • duane_1duane_1 Member Posts: 17 ✭✭
  • chadstoltzfuschadstoltzfus Member, Developers Posts: 115 PRO
    It is possible to write a custom feature for this, though in my experience the UI gets pretty clunky when trying to do multiple heights in one feature. There is a custom feature called Separated Extrude that you could modify to allow for multiple heights in one feature. 
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