newmtl st_slider
    d 1.0
    map_Ka textures/st_slider.tga
    map_Kd textures/st_slider.tga
newmtl st_arrow
    d 1.0
    map_Ka textures/st_arrow.tga
    map_Kd textures/st_arrow.tga
newmtl st_slider_bar
    d 1.0
    map_Ka textures/st_slider_bar.tga
    map_Kd textures/st_slider_bar.tga
newmtl 
    d 1.0
    map_Ka textures/.tga
    map_Kd textures/.tga