Small hexacosiprismatodishecatonicosachoron

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

It is in the same regiment as the small prismatohecatonicosidishexacosichoron.