g Box01
mtllib ./box2.mtl
v -2.5 -2.5 10
v -2.5 2.5 10
v 2.5 2.5 10
v 2.5 -2.5 10
v -2.5 -2.5 15
v 2.5 -2.5 15
v 2.5 2.5 15
v -2.5 2.5 15
# 8 verticies
vn 0 0 -1
vn 0 0 1
vn 0 -1 0
vn 1 0 0
vn 0 1 0
vn -1 0 0
# 6 normals
vt 0 0
vt 0 1
vt 1 1
vt 1 0
# 4 texture coordinates
usemtl m1
f 1/1/1 2/2/1 3/3/1
f 3/3/1 4/4/1 1/1/1
usemtl m2
f 5/1/2 6/2/2 7/3/2
f 7/3/2 8/4/2 5/1/2
usemtl m3
f 1/1/3 4/2/3 6/3/3
f 6/3/3 5/4/3 1/1/3
usemtl m1
f 4/1/4 3/2/4 7/3/4
f 7/3/4 6/4/4 4/1/4
usemtl m2
f 3/1/5 2/2/5 8/3/5
f 8/3/5 7/4/5 3/1/5
usemtl m3
f 2/1/6 1/2/6 5/3/6
f 5/3/6 8/4/6 2/1/6