A 5x5x5 truncated and extended into the higher order equivalent of Greenhills octahedron.

• Inventor: Rex Rossano Perez
• Mechanism: 5x5x5
• Patents: Unknown
• Producer: Custom
• Year: 2012
• Original Price: $0.00 USD
• Current Price: No Data

Greenhills octahedron is a 3x3x3 in octahedral shape. Search the museum for this predecessing puzzle. The axis system of the 3x3x3 is not oriented like the symmetries of the octahedron. Therefore the puzzle changes its shape.
The same concept was now applied to a 5x5x5.

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

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