Square Dipyramid (Octahedron)

V0 = ( 0.0,  0.0,  1.0)
V1 = ( 0.0,  0.0, -1.0)
V2 = ( 1.0,  0.0,  0.0)
V3 = (-1.0,  0.0,  0.0)
V4 = ( 0.0,  1.0,  0.0)
V5 = ( 0.0, -1.0,  0.0)

Faces:
{ 0, 2, 4 }
{ 0, 4, 3 }
{ 0, 3, 5 }
{ 0, 5, 2 }
{ 1, 2, 5 }
{ 1, 5, 3 }
{ 1, 3, 4 }
{ 1, 4, 2 }