Small hecatonicosafaceted hexacosidishecatonicosachoron

The small hecatonicosafaceted hexacosidishecatonicosachoron, or shi fixady, is a nonconvex uniform polychoron that consists of 600 tetrahedra, 120 truncated great icosahedra, and 120 small icosicosidodecahedra. One tetrahedron, three truncated great icosahedra, and three small icosicosidodecahedra join at each vertex.

It also has 120 great stellated dodecahedra and 720 truncated tetrahedra as pseudofacets.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the small dishexacosidishecatonicosachoron.