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How to make a coincident constraint work?

I am trying to make the rectangle on the left side symmetrical over both sides of the horizontal line, but when I try to use the coincident button, it does not work and shows red. Thanks for any help. 



  • NeilCookeNeilCooke Moderator, Onshape Employees Posts: 3,023
    It depends on what you select - if you select the vertical lines, then coincident will work, if you select the vertices, you should use the vertical constraint.

    You will need to make the doc public (link is view only) for anybody to take a closer look at your geometry.
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