Small diretrosnub prismatodisnub dishexacositetrishexacosichoron

The small diretrosnub prismatodisnub dishexacositetrishexacosichoron, or saderspid sadixtux, is a nonconvex uniform polychoron that consists of 600 great icosahedra, 600 icosahedra and 600 great dodecahedra (some of which lie in the same hyperplanes, forming 600 compounds of one of each), 4800 octahemioctahedra (forming 2400 compounds of two), 1200 small dodecicosahedra (forming 600 compounds of two), 600 small rhombicosidodecahedra, and 6000 triangular prisms.

One great icosahedron, one icosahedron and one great dodecahedron (two compounds), eight octahemioctahedra (eight compounds), ten small dodecicosahedra (ten compounds), five small rhombicosidodecahedra, and five triangular prisms join at each vertex.

It can be obtained as the blend of 5 small dipentary dishecatonicosihexacosihecatonicosachora and 5 small dipentary trishecatonicosiprismatohexacosichora.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the small diretrosnub disnub decahecatonicosadishexacosichoron.