How can I make an elevator that goes up while twisting like in this video? (The man that made this used an old printer)
1 Answer
In this case it looks like the lift and rotation elements are mechanically separate ie the lift mechanism sits on a rotating turntable.
Here the key element is to be able to provide electrical power to a rotating assembly, I can't see in detail how this is done in this particular case but slip rings would be the conventional solution.