newmtl No Parameters
Kd 1.000000 1.000000 1.000000
map_Kd texture.png

newmtl Offset
Kd 1.000000 1.000000 1.000000
map_Kd -o 0.1 0.2 0.0 texture.png

newmtl Scale
Kd 1.000000 1.000000 1.000000
map_Kd -s 2.0 3.0 0.0 texture.png

newmtl Offset and scale
Kd 1.000000 1.000000 1.000000
map_Kd -o 0.1 0.2 0.0 -s 2.0 3.0 0.0 texture.png