octahedron.obj

mtllib octahedron.mtl

v  1.000000 -1.000000  0.000000
v  1.000000  1.000000  0.000000
v -1.000000 -1.000000  0.000000
v -1.000000  1.000000  0.000000
v  0.000000  0.000000  1.414213562373
v  0.000000  0.000000 -1.414213562373
usemtl OctahedronMaterial
f 1 2 5
f 3 1 5
f 2 4 5
f 4 3 5
f 2 1 6
f 1 3 6
f 4 2 6
f 3 4 6