Great retrofrustary distetracontoctachoron

The great retrofrustary distetracontoctachoron, or girfaddic, is a nonconvex uniform polychoron that consists of 48 cuboctahedra and 48 small cubicuboctahedra. 2 cuboctahedra and 4 small cubicuboctahedra join at each vertex.

It is in the same regiment as the antifrustary distetracontoctachoron.