Small rhombated faceted hexacosichoron

The small rhombated faceted hexacosichoron, or sirfix, is a nonconvex uniform polychoron that consists of 720 pentagrammic prisms, 120 dodecadodecahedra, and 120 small rhombicosidodecahedra. 1 dodecadodecahedron, 2 pentagrammic prisms, and 2 small rhombicosidodecahedra join at each vertex. it can be obtained by cantellating the faceted hexacosichoron.

Related polychora
The small rhombated faceted hexacosichoron is the colonel of a regiment of 7 members. Its other members include the small retrosphenoverted trishecatonicosachoron, rhombic small hecatonicosihecatonicosachoron, small pseudorhombic hecatonicosihecatonicosachoron, grand rhombic dishecatonicosachoron, small dishecatonicosintercepted dishecatonicosachoron, and hecatonicosintercepted prismatodishecatonicosachoron.