newmtl Material
Kd 0.800 0.800 0.800
Ke 0.000 0.000 0.000
Ni 1.500
d 1.0
illum 2
map_Kd texture_pbr_v128.png
map_Pm texture_pbr_v128_metallic.png
map_Pr texture_pbr_v128_roughness.png
map_Bump -bm 1.0 texture_pbr_v128_normal.png