The edge turning octahedron with two levels of unbandaging.

• Inventor: Eitan Cher
• Mechanism: Edge turning hexahedron (axis system)
• Patents: Unknown
• Producer: Customly 3D printed
• Year: 2022
• Original Price: $0.00 USD
• Current Price: No Data

Twelve years after he presented the edge turning octahedron (aka: ETO) the inventor presented the ETO++ together with the ETO+. In solved state the three puzzles look identical and the three puzzles share the same axis system.
Image 6 shows a turn possible not in the ETO and the ETO+.

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