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A face-turning octahedron with truncated tips.
The first version was hand made by Tony Fisher before these puzzle were mass produced. A very easy transformation if one dares to sacrifice a face-turning octahedron. In 2010 mass production of these puzzes started.
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Thank you to the following people for their assistance in helping collect the information on this page: Andreas Nortmann, Lawrence Cuthbert, Jack Lieberman.
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