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Twelve-Sided: Rhombic Dodecahedron
Rainbow RhombA rainbow cube transformed into the shape of a rhombic dodecahedron.
RD-1A Square-1 in shape of a rhombic dodecahedron.
Rex Rhombic Dodecahedron (RRD)A vertexturning rhombic dodecahedron. Both sets of vertices allow turning.

Rhombic DodecahedronBuilt on a Skewb mechanism by Tony Fisher.
Rhombic Dodecahedron 2x2x2Custom puzzle built from a Rubik's Pocket Cube, a 2x2x2.
Rhombic Dodecahedron 3x3x3A 3x3x3 with the namegiving shape which is a catalan solid.

Rhombic Dodecahedron 4x4x6A mass produced 4x4x6 truncated into a rhombic dodecahedron.
Rhombic Dodecahedron 7x7x7A 7x7x7 in shape of a rhombic dodecahedron, a catalan solid.
Rhombic RaptorA hybrid of a corner turning and face turning hexahedron in shape of a rhombic dodecahedron with spherical cuts.

Rhombic18Rhombic18 is a face-turning rhombic dodecahedron with six additional axes of rotation at the four-sided vertices, therefore a hybrid puzzle with 18 axes of rotation.
RhombicinxA Megaminx in shape of a Rhombic Dodecahedron
RhombiminxA Rhombic Dodecahedron 2x2x2 or 4x4x4 modification, where the tips also turn.

RuaA face-turning rhombic dodecahedron with cuts to make the number of pieces minimal.
Slice Rhombic DodecahedronA 2x2x2 in shape of a rhombic dodecahedron but with a differently oriented axis system.
Split DiamondA 2x2x2 with add-ons. It might look like a Rhombiminx but its pieces are further split up which explains its name.

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