Hello, I am experiencing difficult time with structural member. Using them as simple ceiling beams parallel to each other, not interconnected into net. (see attachment). Everything works fine until I want to reposition (drag and move to new place) in top/plan view any of the members. It is glued to the place and will not move.  I paid special attention when inserting members not to have tools auto-snap function on. Doesn't help. Option+ click and then drag function for duplic