Good tips in your post ppemawm, thank you! (as for me I installed FC to help with a cabinet side project -- I have other interests too, but I intended this thread to be of general interest and not just for my specific case).
I found another good tip today that I'll add -- I was having trouble picking vertices when adding constraints, but didn't know that:
Roy_043 wrote: ↑Mon May 09, 2022 1:08 pm You can increase the "Point Size" (View tab of the Property editor) of the geometry you want to reference before entering the sketch.