Small prismatohexacosidishecatonicosachoron

The small prismatohexacosidishecatonicosachoron, or spixady, is a nonconvex uniform polychoron that consists of 720 pentagonal prisms, 600 truncated tetrahedra, 120 small dodecicosidodecahedra, and 120 great rhombicosidodecahedra. 1 pentagonal prism, 1 truncated tetrahedron, 1 small dodecicosidodecahedron, and 2 great rhombicosidodecahedra join at each vertex.

It is in the same regiment as the prismatorhombated hecatonicosachoron.