I would like to transform models in a freestyle way, meaning that by dragging or by giving a command of any kind I randomly transform/transfigure a 3d model into strange shapes. So this is not mend to be used to scale or transform models in a very controlled way but to play with them.
I know I have been doing this by accident a while ago when I first used Rhino but can’t seem to figure out how I did this anymore. Back the I remember that I just dragged or something and the whole model would totally be transfigured.
There is also Transform -> (Twist, Bend, Taper, Stretch, Flow …). Cage editing you can do using a BoundingBox, Line, Rectangle, Box, or without specifying any of the above, and just selecting a polysurface edge. And gumball, like @cosmas said.