Small dipentary hexacosiprismatodishecatonicosachoron

The small dipentary hexacosiprismatodishecatonicosachoron, or siddip xappady, is a nonconvex uniform polychoron that consists of 120 great icosahedra, 720 pentagrammic prisms, 600 cuboctahedra, and 120 small ditrigonal dodecicosidodecahedra. One great icosahedron, five pentagrammic prisms, five cuboctahedra, and five small ditrigonal dodecicosidodecahedra join at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the prismatodishecatonicosachoron.