A Square-1 (more precise: star prism) transformed into a "Half Truncated Elongated hexagonal Dipyramid".

• Inventor: Frederic Plateus
• Mechanism: Square-1 (3 layers)
• Patents: Unknown
• Producer: Custom
• Year: 2007
• Original Price: $0.00 USD
• Current Price: No Data

This is a shape transformation of a pieces shuffle: The pieces of two Square-1's were exchanged to create a star prism. This puzzle was further modified to give it a gem-like shape.

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

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