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Doug Fennell of Horn Lake, Mississippi, just sent us a link to this good-looking two-wheeled coasterbot-style “puck” ‘bot chassis he designed to be laser-cut from 4mm acrylic:

5″ robotic platform, setup for Picaxe or Arduino with sonar ranging mast. This one currently does obstacle avoidance. 90 degree radian etched into the top plate to make turn calibration far easier. Many battery configurations possible, including lipo (with a regulator) – the deck is spaced to accommodate a large range of power sources. Designed and made in response to the poorly made/designed commercial offerings – this thing uses I-Beam construction – you can stand on it.

He’s just posted an Instructable with the vector files, assembly instructions, and code. [Thanks, Doug!]

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I write for MAKE, serve as Technical Editor for MAKE magazine, and develop original DIY content for Make: Projects.

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