SandBot Happily And Tirelessly Rolls Patterns In Sand
The patience and precision involved with drawing geometric patterns in sand is right up a robot’s alley, and demonstrating this is [rob dobson]’s SandBot, a robot that draws patterns thanks to an arm with a magnetically coupled ball. SandBot, SCARA version. The device sits underneath a sand bed, and a magnet (seen at the very top
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