mtllib regr_3429812.mtl
v 0.0498759 0.964456 0.0949991
v 0.042335 0.96222 0.0980526
v 0.0418548 0.961535 0.096869
v 0.049267 0.963762 0.0939126
usemtl Trim
g rectangle
f 4 3 2 1
g triangle1
f 4 3 2
g triangle2
f 4 2 1