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How to add Sketch Elements without disturbing my Extrusions

k_w214k_w214 Member Posts: 3 EDU

I have a part that I want to edit

I wish to add some sketch elements (shapes) to an existing sketch and then add new extrusions from them
However, when I add new elements, Onshape does its own " Guesswork " about the new element and screws up all the original extrusions. 

For example, i might add a circle to an existing sketch, and onshape automatically makes a hole through the part

How can I add new sketch elements without onshape automatically altering extrusions from the sketch

Best Regards

Best Answers


  • NeilCookeNeilCooke Moderator, Onshape Employees Posts: 4,942
    Edit the extrude and select the hole that is created to add it to the extrude definition. 
    Senior Director, Technical Services, EMEA 
  • k_w214k_w214 Member Posts: 3 EDU
    Yes, that would be what I am doing right now, 

    - Edit sketch
    - Go through all my extrusions to fix Onshape's automatic changes

    Wondering if there is a way to disable the automatic changes?
    It gets really bad if i divide up a square into two parts, then Onshape will only extrude one random part. 
  • k_w214k_w214 Member Posts: 3 EDU
    Thanks for the answers everyone. 

    I will keep Onshape's boolean logic in mind as it flips between filled and cut areas

    Generally, adding new sketches seems to be a cleaner way to editing a complex part
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