Small ditetrahedronary prismatohexacosihecatonicosachoron

The small ditetrahedronary prismatohexacosihecatonicosachoron, or siddit paxhi, is a nonconvex uniform polychoron that consists of 600 tetrahedra, 720 pentagonal prisms, and 120 small rhombicosidodecahedra. Four tetrahedra, twelve pentagonal prisms, and twelve small rhombicosidodecahedra join at each vertex.

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