Great tritrigonary hecatonicosidishexacosihecatonicosachoron

The great tritrigonary hecatonicosidishexacosihecatonicosachoron, or git thidixhi, is a nonconvex uniform polychoron that consists of 600 tetrahedra, 120 quasitruncated great stellated dodecahedra, 600 cuboctahedra, and 120 great rhombidodecahedra. One tetrahedron, three quasitruncated great stellated dodecahedra, three cuboctahedra, and three great rhombidodecahedra join at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the great tritrigonary hexacositrishecatonicosachoron.