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2021
RD PentultimateA Pentultimate in shape of a rhombic dodecahedron.
RODIA shape and sticker variant of a Bump Cube modelled to implement Schrödinger's cat. It can be alive and dead.
Raccoon 3x3x3A 3x3x3 remodeled into the namegiving solid.

Radio Ball 3A Radio Cube 3 redesigned with the shape of a sphere.
Rainbow 9-axes OctahedronA nine-axes turning octahedron, using a geometry developed by Diogo Sousa.
Rainbow F-rhombic dodecahedronEvil-Eye II in shape of a Rhombicuboctahedron

Rainbow Plus CubeA Rainbow Cube with additional 2x2x2 turns.
RaskewbThe Mental Box after a 180° turn reshaped into a cube.
RexmateA puzzle with hybrid axis system combining Pentultimate and Rex Dodecahedron in one puzzle.

Rhombi GemA face turning rhombic dodecahedron with only with jumbling turns.
RhombiCeltic PlusThe Edge Turning Rhombic Dodecahedron with an additional type of cuts.
Rhombic SpartacusA hybrid of Pentultimate and Radiolarian 3 in the shape of a Rhombic Dodecahedron

Rhombic Tuttminx F2Rhombic Tuttminx F1 with totally different cutting depths.
Rhombic dodecahedron MultidodecahedronThe Multidodecahedron in shape of a rhombic dodecahedron.
Rhombic raptor skewbA rhombic dodecahedron with three cuts per axis through 3-fold corners and two cuts per axis through 4-fold corners.


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