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A 3x3x3 with a concave but regular shape.

This puzzle is a shape variation of the 3x3x3 with a shape somewhere between a hexahedron and a stellated octahedron.
The puzzle was designed by Nikola Tutic but the puzzles master were printed, duplicated by casting, assembled and stickered by Frank Schwartz.
Frank presented this puzzle two times: First in 2008 with a "traditional" stickering scheme and some months later stickered like an Utlimate Cube.



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


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