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Bram's Fortress

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Published on Aug 25, 2012

Photos at http://www.shapeways.com/model/51621/... Copyright (c) 2009, 2012, Bram Cohen & M. Oskar van Deventer. Bram's Fortress is an idea by Bram Cohen, inspired by several gear designs by Oskar. This twisty puzzle has eight Rubik's Cubes that are mutually connected by gears. If you turn one face, then four other faces turn with it.

This video shows three failed prototypes. There is too much force and manual alignment needed to make the puzzle turn. I am sorry ...

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