Snub tetracontoctachoron

The omnisnub icositetrachoron, or sni, also commonly called the omnisnub 24-cell, is a convex isogonal polychoron that consists of 48 snub cube, 192 triangular antiprisms and 576 phyllic disphenoids obtained through the process of alternating the great prismatotetracontoctachoron. However, it cannot be made uniform.