newmtl Opts
map_Kd -blendu off -blendv on -clamp off -imfchan r -mm 1 2 -o 0.1 0.2 0.3 -s 0.4 0.5 0.6 -t 0.7 0.8 0.9 -texres 512 textures/checkerboard_diffuse.png
map_Ks \
	-blendu on \
	-blendv \
	off \
	-clamp on \
	-imfchan g \
	-mm 3 4 \
	-o -0.1 -.2 1.3 \
	-s \
	1.4 \
	1.5 \
	1.6 \
	-t 1.7 1.8 1.9 \
	-texres \
	1024 \
	-unknown hello world \
	-single-unknown \
	textures/checkerboard_specular.png