Transitional 10-3 double gyrostep prism

The transitional 10-3 double gyrostep prism is a convex isogonal polychoron that consists of 10 chiral gyrobifastigia and 10 tetragonal disphenoids obtained as the convex hull of two orthogonal stretched 10-3 step prisms.

It can be constructed as a subsymmetrical faceting of the decachoron.

Vertex coordinates
Coordinates for the vertices of a transitional 10-3 double gyrostep prism are given by: where a = $\sqrt{25-10√5}$/5, b = $\sqrt{25+10√5}$/5 and k is an integer from 0 to 9.
 * (a*sin(2πk/10), a*cos(2πk/10), b*sin(6πk/10), b*cos(6πk/10)),
 * (b*sin(2πk/10), b*cos(2πk/10), -a*sin(6πk/10), -a*cos(6πk/10)),