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Eight-Sided: Octahedron
Valknut OctahedronA face turning octahedron with 5 layers, very close to the Master Rex Cube.
VET OctahedronAn octahedron which combines vertex-turning and edge turning moves. This explains the acronym in the puzzles name.
Vinh's Octahedron (Square-1)A Square-1 transformed into the shape of an octahedron.

Void FTOA face turning octahedron without a traditional core.
Wenshi's OctahedronA Concept 11 (sold under the name Dayan Jewel III) received extensions to look like an octahedron.

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