Small disnub prismatosnub dishexacosipentishexacosichoron

The small disnub prismatosnub dishexacosipentishexacosichoron, or sodsposdexpix, is a nonconvex uniform polychoron that consists of 1200 great icosahedra (some of which lie in the same hyperplanes, forming 600 small retrosnub disoctahedra), 600 icosahedra and 600 great dodecahedra (forming 600 compounds of one of each), 4800 cuboctahedra (forming 2400 compounds of two), 600 small rhombidodecahedra, 600 truncated icosahedra, 600 small icosicosidodecahedra, and 3600 pentagrammic prisms.

Two great icosahedra (two compounds), one icosahedron and one great dodecahedron (two compounds), eight cuboctahedra (eight compounds), five small rhombidodecahedra, five truncated icosahedra, five small icosicosidodecahedra, and five pentagrammic prisms join at each vertex.

It can be obtained as the blend of 5 small dipentary hecatonicosihexacosidishecatonicosachora and 5 small dipentary prismatohexacositetrishecatonicosachora.

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