Rhodoperihedral rotunda (EntityTopic, 15)

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The rhodoperihedral rotunda, also known as the rhombicosidodecahedral rotunda, is a CRF polychoron, TODO: prismatoid notation. Its cells are one rhodoperihedron, 20 truncated tetrahedra, 30 hexagonal prisms, 12 pentagonal prisms, 12 pentagonal cupolae, and one rhodopantohedron.

History

This polytope was discovered by Klitzing as a cap that can be cut off of the runcitruncated 600-cell (x5o3x3x).