Rhodoperihedral rotunda (EntityTopic, 15)
From Hi.gher. Space
The rhombicosidodecahedral rotunda is a CRF polychoron, TODO: prismatoid notation. Its cells are one rhombicosidodecahedron, 20 truncated tetrahedra, 30 hexagonal prisms, 12 pentagonal prisms, 12 pentagonal cupolae, and one great rhombicosidodecahedron.
History
This polytope was discovered by Klitzing as a cap that can be cut off of the runcitruncated 600-cell (x5o3x3x).