Product of Theater - a drawing kinetic sculpture

Check out this excellent metal sculpture by artist John Lash.

From the video description:

Product of Theater is a handed powered kinetic sculpture by John Lash. Two dancers preform in a machine that draws geometric patterns. Hundreds of different patterns can be made by changing the speed of the dancers, selecting a different cam on the swing arm, and adjusting the pen position on the paper.

[ Thanks Dave! ]

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