A hollowed sphere with a 7-fold-symmetry. Another entry in the series that started with Rocket Twist.

• Inventor: Oskar van Deventer
• Mechanism: Jumbling (coreless)
• Patents: Unknown
• Producer: 3D printing service
• Year: 2019
• Original Price: $0.00 USD
• Current Price: No Data

Hepta Mystery is the 7-fold-symmetry variation of Hollow Mystery (3-fold symmetry) and Rocket Star (5-fold symmetry). Like the other two, it has three canonical state: "base", "left" and "right". In Hepta Mystery, "base" has 7-fold rotation symmetry, and "left" and "right" have 2-fold rotation symmetry. "Base" has mirror symmetry. "Left" is mirror image of "right". The types of possible move squences are as follows, every time returning at "base".
Base - left - base
Base - right - base
Base - left - right - base
Base - right - left - base
Base - left - right - left - base

Diameter: 80 mm
Weight: 60 grams

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