Simplest Canonical Polyhedron with D3h Symmetry (1 of 2) (Triangular Dipyramid)

C0 = 1.15470053837925152901829756100 = 2 * sqrt(3) / 3
C1 = 1.73205080756887729352744634151 = sqrt(3)

V0 = (0.0,  0.0,  C0)
V1 = (0.0,  0.0, -C0)
V2 = ( C1,  1.0, 0.0)
V3 = (-C1,  1.0, 0.0)
V4 = (0.0, -2.0, 0.0)

Faces:
{ 0, 2, 3 }
{ 0, 3, 4 }
{ 0, 4, 2 }
{ 1, 2, 4 }
{ 1, 4, 3 }
{ 1, 3, 2 }
