pytorch3d/tests/data/obj_mtl_no_image/model.mtl

# Material Count: 1

newmtl material_1
Ns 96.078431
Ka 0.000000 0.000000 0.000000
Kd 0.500000 0.000000 0.000000
Ks 0.500000 0.500000 0.500000