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How can I make an elevator that goes up while twisting like in this video? (The man that made this used an old printer)

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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.

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