# .mtl is located at tests/assets
mtllib issue-246-usemtl-whitespace.mtl

v -1.000000 1.202466 1.000000
v 1.000000 1.202466 1.000000
v -1.000000 1.202466 -1.000000
v 1.000000 1.202466 -1.000000
vn 0.0000 1.0000 0.0000
v -1.000000 0.000000 1.000000
v 1.000000 0.000000 1.000000
v -1.000000 0.000000 -1.000000
v 1.000000 0.000000 -1.000000
vn 0.0000 1.0000 0.0000

usemtl  1
o Plane.001
f 1//1 2//1 4//1