mtllib master.mtl

    v 0.000000 2.000000 2.000000
    v 0.000000 0.000000 2.000000
    v 2.000000 0.000000 2.000000
    v 2.000000 2.000000 2.000000
    v 0.000000 2.000000 0.000000
    v 0.000000 0.000000 0.000000
    v 2.000000 0.000000 0.000000
    v 2.000000 2.000000 0.000000
    # 8 vertices

    g front
    usemtl red
    f 1 2 3 4
    g back
    usemtl blue
    f 8 7 6 5
    g right
    usemtl green
    f 4 3 7 8
    g top
    usemtl gold
    f 5 1 4 8
    g left
    usemtl orange
    f 5 6 2 1
    g bottom
    usemtl purple
    f 2 6 7 3
    # 6 elements