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Make: Technology on Your Time Volume 25 by Mark Frauenfelder

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Photography by Patrick Harrell

GIANT SPIN ART

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Spin canvases at high speed and drop paint on them.

By Bob and Pete Goldstein

Spin art is a children’s activity, often found at school fairs. Kids drop paint onto a spinning square of paper, making beautiful, colorful patterns. As adults, we imagined it would be fun to scale this up, and up, and up. Our friends envisioned injuries, or worse — an elaborate, spinning contraption flying high into the sky and disappearing.

So we tried it, and after burning out the motor from a box fan, we realized that ...

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