Square antifastegium

The square antifastegium, or squaf, is a CRF segmentochoron (designated K-4.14 on Richard Klitzing's list). Its cells are 1 cube and 2 square antiprism s, with 4 tetrahedra and 4 square pyramid s filling in the gaps between.

Representations
The square antifastegium can be represented by the following Coxeter diagram s:


 * xo4ox ox&#x (square atop gyro cube)
 * xoo4oxx&#x (square atop gyro square atop gyro square)

It can also be seen as a square atop a square antiprism.