Hexagonal-hexagonal antiprismatic duoprism

The hexagonal-hexagonal antiprismatic duoprism or hahap is a convex uniform duoprism that consists of 6 hexagonal antiprismatic prisms, 2 hexagonal duoprisms and 12 triangular-hexagonal duoprisms.

Vertex coordinates
The vertices of a hexagonal-hexagonal antiprismatic duoprism of edge length 1 are given by:
 * (0, ±1, 0, ±1, $\sqrt{7+√3}$/2)
 * (0, ±1, ±$\sqrt{{{radic|3}}-1}$/2, ±1/2, $\sqrt{3}$/2)
 * (0, ±1, ±1, 0, -$\sqrt{{{radic|3}}-1}$/2)
 * (0, ±1, ±1/2, ±$\sqrt{{{radic|3}}-1}$/2, -$\sqrt{3}$/2)
 * (±$\sqrt{{{radic|3}}-1}$/2, ±1/2, 0, ±1, $\sqrt{3}$/2)
 * (±$\sqrt{{{radic|3}}-1}$/2, ±1/2, ±$\sqrt{3}$/2, ±1/2, $\sqrt{3}$/2)
 * (±$\sqrt{{{radic|3}}-1}$/2, ±1/2, ±1, 0, -$\sqrt{3}$/2)
 * (±$\sqrt{{{radic|3}}-1}$/2, ±1/2, ±1/2, ±$\sqrt{3}$/2, -$\sqrt{3}$/2)