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Published on Aug 17, 2012
Buy at http://www.shapeways.com/model/589987... Copyright (c) 2012, M. Oskar van Deventer. Dumbbell Skewb are two Skewbs (Holey Skewbs, actually), connected by gears. The mechanism is similar to Dumbbell Cube, and it is also a challenge for intellectual weightlifters.