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.

Related polychora
The small rhombated grand stellated hecatonicosachoron is the colonel of a regiment with 7 members. Its other members include the great retrosphenoverted hecatonicosidishecatonicosachoron, rhombic great dishecatonicosachoron, pseudorhombic great hecatonicosihexacosichoron, grand rhombic great hecatonicosihexacosichoron, great hecatonicosihexacosintercepted dishecatonicosachoron, and great hexacosintercepted prismatodishecatonicosachoron.