16-2 step prism

The 16-2 step prism is a convex isogonal polychoron and a member of the step prism family. It has 8 rhombic disphenoids and 96 phyllic disphenoids of six kinds as cells, with 26 (2 rhombic and 24 phyllic disphenoids) joining at each vertex.

Vertex coordinates
Coordinates for the vertices of a 16-2 step prism inscribed in a hexadecagonal duoprism with base lengths a and b are given by: where k is an integer from 0 to 15. If the edge length differences are to be minimized, the ratio of a:b must be equivalent to 1:$$\frac{\sqrt{8+4\sqrt2+2\sqrt{20+14\sqrt2}}<}{2}$$ ≈ 1:2.56292.
 * (a*sin(πk/8), a*cos(πk/8), b*sin(πk/4), b*cos(πk/4)),