Gear Head is a 3D-printed replica of a human head, cut in four slices and connected by a gearing system. The object of the puzzle is to turn the head back in shape. Getting three slices right is easy. The challenge is getting also the last slice right.
This puzzle was prototyped by George Miller on his FDM 3D-printer in 2005. I decided to put it for sale at my Shapeways Shop. It is less expensive than Over The Top.
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