Why does Graphics3D resize itself just before and after I click on it to change the view with the mouse? 
Notice that I understand that the height of the bounding box depends on the viewing angle, so it requires a resizing of the surrounding square, but what bothers me is that it resizes itself right before I click on the thing or right after I release the mouse, that is when no change in the viewing angle has happened yet or respectively when the viewing angle change has been done already.
