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A Pentultimate in the shape of a hexahedron, aka cube. Made by the inventor of the original Pentultimate.
This is a very longlasting project which was started by the inventor in 2010 but he couldn't finish it before 2012.
Because the groups of the hexahedron (shape) and the dodecahedron (axis system) are incompatible the puzzle changes its shape.
Edge length: 108 mm
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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