Retrofrustary tristetracontoctachoron

The retrofrustary tristetracontoctachoron, or riftic, is a nonconvex uniform polychoron that consists of 48 cuboctahedra, 48 quasirhombicuboctahedra and 48 small rhombihexahedra. Two cuboctahedra, four quasirhombicuboctahedra and four small rhombihexahedra join at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the antifrustary distetracontoctachoron.