I am modeling a little house with moving parts, and intend to move them quite a bit once all is done, for drawing reference. I haven’t been happy with my solution for rotating items so far, which was to create hidden lines, whose midpoints I could lock onto with rotate tool. That’s three steps per rotate (after opening container groups).
Today, I realized that adding a hidden line to move the center of a group to the axis of rotation lets me rotate with the Move Tool grips, which saves having to show hidden geo and position/orient the rotate tool, condensing rotation to one step (after opening container groups).
Just thought I would post my new rotation “hack” (which may already be common practice, for all I know…)