Small rhombated grand stellated hecatonicosachoron

The small rhombated grand stellated hecatonicosachoron, or sirgashi, is a nonconvex uniform polychoron that consists of 720 pentagrammic prisms, 120 dodecadodecahedra, and 120 rhombidodecadodecahedra. 1 dodecadodecahedron, 2 pentagrammic prisms, and 2 rhombidodecadodecahedra join at each vertex. it can be obtained by cantellating the grand stellated hecatonicosachoron.