Small sphenoverted trishecatonicosachoron

The small sphenoverted trishecatonicosachoron, or swavathi, is a nonconvex uniform polychoron that consists of 120 truncated great icosahedra, 120 great icosidodecahedra, and 120 small icosicosidodecahedra. 1 great icosidodecahedron, 2 truncated great icosahedra, and 2 small icosicosidodecahedra join at each vertex.

Related polychora
The small sphenoverted trishecatonicosachoron is the colonel of a regiment of 7 members. Its other members include the great retrosphenoverted ditrigonal trishecatonicosachoron, great hecatonicosidishecatonicosachoron, great retrotrishecatonicoscahoron, great small dishecatonicosachoron, grand dishecatonicosintercepted dishecatonicosachoron, and hecatonicosintercepted ditrigonal trishecatonicosachoron.