Great pentagrammal antiprismatoverted dishecatonicosachoron

The great pentagrammal antiprismatoverted dishecatonicosachoron, or gippapivady, is a nonconvex uniform polychoron that consists of 120 great icosahedra and 120 quasitruncated great stellated dodecahedra. 2 great icosahedra and 10 quasitruncated great stellated dodecahedra join at each vertex.

It is in the same regiment as the rectified great faceted hexacosichoron.