# https://github.com/mikedh/trimesh
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v 0.06450000 -0.08950000 0.01230000
v -0.06450000 0.08950000 0.01230000
v 0.06450000 0.08950000 0.01230000
vn 0.00000000 0.00000000 1.00000000
vn 0.00000000 0.00000000 1.00000000
vn 0.00000000 0.00000000 1.00000000
vn 0.00000000 0.00000000 1.00000000
vt 0.00000000 0.00000000
vt 1.00000000 0.00000000
vt 0.00000000 1.00000000
vt 1.00000000 1.00000000
f 1/1/1 2/2/2 4/4/4
f 1/1/1 4/4/4 3/3/3