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# Ola-Kristian HOFF
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mtllib pyramid.mtl
g 1_1
usemtl side_h1
v 39.99997 0.0 547.9999
v 39.99997 0.0 647.9999
v 39.99997 100.0 547.9999
vn -1.0 0.0 0.0
vn 1.0 0.0 0.0
f 1//1 2//1 3//1
f 3//2 2//2 1//2
g 2_2
usemtl side_h2
v 139.99997 0.0 547.9999
vn 0.0 0.0 -1.0
vn 0.0 0.0 1.0
f 3//3 4//3 1//3
f 1//4 4//4 3//4
g 3_3
usemtl bottom
vn 0.0 -1.0 0.0
vn 0.0 1.0 0.0
f 4//5 2//5 1//5
f 1//6 2//6 4//6
g 4_4
usemtl angle
vn 0.57735026 0.57735026 0.57735026
vn -0.57735026 -0.57735026 -0.57735026
f 4//7 3//7 2//7
f 2//8 3//8 4//8