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Shown here is a later-stage prototype in engineer and hobby roboticist Xander Soldaat’s development of a Lego holonomic drive platform using native Lego system components for the omnidirectional wheels. Some pretty cool third-party Lego-compatible omniwheels are available, but I appreciate Lego-system purism as much as the next AFoL. I chose this photo because it shows off the omniwheel cluster design. Click through to Xander’s blog to see the final version of his Kiwi drive rollerbot.

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.