This project was build for an exhibition by Owen Schuh, at Receiver Gallery in San Francisco, called "Pythagorean Nightmare". It was on display Feb. 28th - March 27th 2010.

Built from scrap wood and metal, a broken ladder, a hang glider pole, numerous bicycle parts, a door, used chemistry equipment, solenoid valves, light sensors, an arduino micro-controller, window counterweights, and a non-alcoholic beer.

The machine is driven by a mechanism similar to that found in an old clock. The weight (the blue bottle on the yellow rope) is raised up and its descent powers the movement. The speed of the descent and thus the movement of the machine is kept regular by use of a pendulum and escapement. The wheel that the painting / light sensing mechanism is attached to both rotates and revolves around a smaller fixed wheel (at the end of the pole) in a "spirograph" type pattern.

Light sensors are activated by passing over the machines own shadow. Their signal is then processed by the micro-controller and run through a simple algorithm which activates the valves, releasing paint. The resulting image feeds back into the light sensors creating a perpetually evolving work of art.

Owen Schuh is a San Francisco based artist. His work explores mathematical theory, biological process and mechanical engineering as it relates to his role as an artist. He is represented by Cain Schulte Gallery in San Francisco.

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