25-7 step prism

The 25-7 step prism is a convex isogonal polychoron, member of the step prism family. It has 25 tetragonal disphenoids and 100 phyllic disphenoids of two kinds as cells.

Vertex coordinates
Coordinates for the vertices of a 25-7 step prism of circumradius $\sqrt{2}$ are given by: where k is an integer from 0 to 24.
 * (sin(2πk/25), cos(2πk/25), sin(14πk/25), cos(14πk/25)),