Small rhombated great grand hecatonicosachoron

The small rhombated great grand hecatonicosachoron, or sirgaghi, is a nonconvex uniform polychoron that consists of 1200 triangular prisms, 120 great icosidodecahedra, and 120 rhombidodecadodecahedra. 1 great icosidodecahedron, 2 triangular prisms, and 2 rhombidodecadodecahedra join at each vertex. it can be obtained by cantellating the great grand hecatonicosachoron.

Related polychora
The small rhombated great grand hecatonicosachoron is the colonel of a regiment of 7 members. Its other members include the great retrosphenoverted hecatonicosihexacosihecatonicosachoron, rhombic great hecatonicosihexacosichoron, pseudorhombic great hexacosihecatonicosachoron, grand rhombic great dishecatonicosachoron, great hexacosihecatonicosintercepted dishecatonicosachoron, and great hecatonicosintercepted prismatodishecatonicosachoron.