eye 0 0 0
viewdir 0 -0.3 -1
updir 0 1 0
hfov 60
imsize 256 512
bkgcolor 0.1 0.1 0.1
light 0 -1 0 0 1 1 1
mtlcolor 1 1 0 1 1 1 0.2 0.6 0.2 20
sphere 0 -2 -3 1
sphere 0 0 -3 0.5