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Moving my not totally constrained sketch creates conflicting contraints

gauthier_östervallgauthier_östervall Member Posts: 49 EDU
edited September 11 in Community Support
This is happening:


My sketch is nearly all blue, I can move the unconstrained geometries around... But up to a point where the sketch cannot be resolved anymore. From there, I can't move the sketch geometry anymore.

What could possibly be happening?

Answers

  • gauthier_östervallgauthier_östervall Member Posts: 49 EDU
    Here's another funny behavior, I guess it's related:


  • NeilCookeNeilCooke Moderator, Onshape Employees Posts: 3,356
    Can’t tell just by looking at it. Please share the URL. For the first case, try holding shift while you drag. It is likely adding an inferred constraint that conflicts. 
  • gauthier_östervallgauthier_östervall Member Posts: 49 EDU
    edited September 10
    I think this is solved now. There was a conflict between both Use contraints on Points (second gif), and the fact that the construction line between them was constrained to vertical. Strange that it resolves fine in some geometries but not others. The points from Use don't move.

    The constraints were redundant anyway, and removing Vertical solved it.
  • matthew_stacymatthew_stacy Member Posts: 111 PRO

    There is a sketching trick in video that @[email protected]_Reese posted recently, that may help.  By default Onshape creates many sketch constraints automatically (horizontal, coincident, perpendicular, etc.).  Often this is a helpful productivity improvement.  But it can also get in the way, as you have seen when dragging sketch entities results in over-constraint.

    Evan demonstrated that holding down the SHIFT key disables auto-constraints.   This may help with some of the issues that you are encountering.

    Good luck.
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