Simple cube model (wavefront)

cube.obj

# Blender v2.69 (sub 0) OBJ File: ''
# www.blender.org
mtllib untitled.mtl
o Cube
v 1.000000 -1.000000 -1.000000
v 1.000000 -1.000000 1.000000
v -1.000000 -1.000000 1.000000
v -1.000000 -1.000000 -1.000000
v 1.000000 1.000000 -0.999999
v 0.999999 1.000000 1.000001
v -1.000000 1.000000 1.000000
v -1.000000 1.000000 -1.000000
usemtl Material
s off
f 1 2 4
f 5 8 6
f 1 5 2
f 2 6 3
f 3 7 4
f 5 1 8
f 2 3 4
f 8 7 6
f 5 6 2
f 6 7 3
f 7 8 4
f 1 4 8