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https://news.ycombinator.com/item?id=39902205 - saw this a few months ago, was going to make like 6 for 3 robots to build legos or playdough sculptures or something

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Thanks, that's very interesting, bookmarked! I found https://github.com/thomashiemstra/fred whilst searching, which also uses dynamixel motors, but very expensive ones.

It does look very smooth motion-wise though!

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