Small tritrigonary prismatohecatonicosidishecatonicosihexacosichoron

The small tritrigonary prismatohecatonicosidishecatonicosihexacosichoron, or stut phidhix, is a nonconvex uniform polychoron that consists of 120 great ditrigonary icosidodecahedra, 720 pentagrammic prisms, 120 truncated icosahedra, 600 cuboctahedra, and 120 small icosicosidodecahedra. One great ditrigonary icosidodecahedron, three pentagrammic prisms, three truncated icosahedra, three cuboctahedra, and three small icosicosidodecahedra join at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the small tritrigonary prismatohecatonicosidishexacosichoron.