Hecatondecafold icosaswirlchoron

The hecatondecafold icosaswirlchoron is an isogonal polychoron with 19800 phyllic disphenoids of three kinds and 1320 vertices. 60 disphenoids join at each vertex. It is the eleventh in an infinite family of isogonal icosahedral swirlchora.

Vertex coordinates
Coordinates for the vertices of a hecatondecafold icosaswirlchoron of circumradius 1, centered at the origin, are given by: along with 72°, 144°, 216° and 288° rotations in the xy axis of: where k is an integer from 0 to 54.
 * ±(0, 0, sin(kπ/55), cos(kπ/55)),
 * ±(cos(kπ/55), sin(kπ/55), 0, 0),
 * ±(2sin(kπ/55)/$\sqrt{10+2√5}$, 2cos(kπ/55)/$\sqrt{10+2√5}$, 2cos(kπ/55)/$\sqrt{10-2√5}$, 2sin(kπ/55)/$\sqrt{10-2√5}$),
 * ±(2sin(kπ/55)/$\sqrt{10-2√5}$, 2cos(kπ/55)/$\sqrt{10-2√5}$, -2cos(kπ/55)/$\sqrt{10+2√5}$, -2sin(kπ/55)/$\sqrt{10+2√5}$),