Regular Triangular Toroid with 18 faces (type A) (octahedral form)

V0 = ( 4,  0,  0)
V1 = (-4,  0,  0)
V2 = ( 0,  0,  4)
V3 = ( 0,  0, -4)
V4 = ( 0,  4,  0)
V5 = ( 0, -4,  0)
V6 = ( 1,  0,  1)
V7 = ( 0,  1, -1)
V8 = (-1, -1,  0)

Faces:
{ 0, 2, 5 }
{ 0, 5, 6 }
{ 0, 6, 7 }
{ 0, 7, 3 }
{ 0, 3, 4 }
{ 0, 4, 2 }
{ 2, 4, 6 }
{ 2, 6, 8 }
{ 2, 8, 1 }
{ 2, 1, 5 }
{ 5, 1, 3 }
{ 5, 3, 8 }
{ 5, 8, 6 }
{ 6, 4, 7 }
{ 7, 4, 1 }
{ 7, 1, 8 }
{ 7, 8, 3 }
{ 3, 1, 4 }
