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Hedgehog Cube
Above:Solved
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A new design (with magnets) for a puzzle first invented in 1985.

This puzzle has one of the most complicated histories of all twisypuzzles! This puzzle was invented and patented in 1985 by Sergey Makarov in former USSR. It was made as one-of-a-kind and never made it into mass production. Back then it was named "Makarov's cube".
In 2009 Oskar van Deventer reinvented this puzzles under the name "Mixup Cube".
Parallel to this in 2009 Katzuhiko Okamoto, Hidetoshi Takeji worked on another design (with a core newly designed by Mr. Okamoto) of this puzzle. After at least three iterations of the mechanism the design was stopped after Mr. van Deventer presented his puzzle.
Vladimir Yaroslavskiy not only triggered the development of Mr. Okamoto but also triggered the design presented here too although the actual design was made by Evgeniy Grigoriev. The production was made with the service of shapeways.

It looks like a Rubik's Cube, but it has an unexpected twist. When a mid plane is turned by 45 degrees, other turns are possible. This way of turning mixes up the center and edge pieces.

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Contributors

Thank you to the following people for their assistance in helping collect the information on this page: Andreas Nortmann, Lawrence Cuthbert.

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