These self-propelled kinetic wood sculptures by David C. Roy can spin for nearly a day

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Since graduating in 1974 from Boston University with a degree in physics, artist David C. Roy has been fascinated by the motion and mechanics of kinetic sculptures. Roy is a self-taught woodworker who designs limited edition wall-mounted sculptures powered by various mechanical wind-up mechanisms without the aid of electricity. Each piece can run for about 5-18 hours unassisted on a single wind, with his latest piece Dimensions capable of whirling around for a whopping 40+ hours. From his Connecticut studio Roy has produced over 150 one-of-a-kind designs over the last thirty years, many of which he currently sells as editions through his website. He’s also gone to great lengths to film many of his sculptures which you can watch on his Youtube channel. (via Booooooom)

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