Small sphenoverted hexacosidishecatonicosachoron

The small sphenoverted hexacosidishecatonicosachoron, or swavixady, is a nonconvex uniform polychoron that consists of 600 truncated tetrahedra, 120 great icosidodecahedra, and 120 small icosicosidodecahedra. 1 great icosidodecahedron, 2 truncated tetrahedra, and 2 small icosicosidodecahedra join at each vertex.