#Name:Octahedron
#Type:face_specified
v   -0.5   -0.5   0
v   -0.5   0.5   0
v   0   0   -0.70710678
v   0   0   0.70710678
v   0.5   -0.5   0
v   0.5   0.5   0

f   4   5   6
f   4   6   2
f   4   2   1
f   4   1   5
f   5   1   3
f   5   3   6
f   3   1   2
f   6   3   2