Hexbot Multipurpose Robot Arm
The Hexbot is a modular, quiet and accurate robot arm that can perform a variety of tasks. By default, it comes with a pen holder that lets it write and draw. But you can also get modules that turn it into a laser engraver, 3D printer and even a pick-and-place machine.
Crowdfunded projects pose a degree of risk for buyers, so be sure to do your research and fully read the seller's detailed description and production plans before plunking down your hard-earned money.
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