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OctoChair
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The Dino Octa restricted to just two faces.

The OctoChair succeeds the Pyrachair from the same inventor and applies the concept to an octahedron. It is a Dino Octa bandaged so that only two axes of rotation are functional. The first puzzle with this concept was the Double twist cube.
The puzzle is solved very close to the Twin Rings (see the separate entry) and the mass produced Quatrium, except that the flat version allows 90� turns instead of 120�.
This restrictions makes solving the puzzle only slightly easier. Solving the edges and triangles presents the same challenges as the Dino Octa. Only solving the tips is slightly easier. Only one tip can be oriented freely. Afterwards the orientation of other three is determined.
The inventor uses the pseudonym "El Cubitero".
Printed in PETG plastic
Edge length: 75 mm
Weight: 55 grams

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