Find locked constraint stopping sketch moving

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As we cant yet use kinematics in 3D, i am trying to solve a kinematic problem with sketches.

  1. is there a way to group sketch entities without fully dimensioning them
  2. i have a sketch of 2 components which should rotate about a point, but it refuses to move due to a locked constraint, is there a way of finding a locked constraint within a sketch, i have done a window fence select of edges and constraints separately and deleted all the lock constraints i can find but it still says there is a locked constraint somewhere but wont show me where it is.
  3. i know assembly mates are being worked on, but until then using 2d sketches is a usable work round, but if you cant find where a locked constraint is stopping the sketch move then its hard work to find it.

I am also having a problem with locked constraints. In parametric beta. Trying to change overall dimension in a sketch and it will not change because locked constraint. I have deleted every constraint that I can find. It would be nice if you could click on the message that says locked constraint preventing change and then it would highlight the constraint. It is very frustrating and waists a lot of time to be told there is something wrong but no way of know what is wrong. https://www.loom.com/share/022e68161e054ddcad2b35cdecefe19f

https://www.loom.com/share/022e68161e054ddcad2b35cdecefe19f