imsize 512 512
eye 0 0 10
viewdir 0 0 -1
hfov 45
updir 0 1 0
bkgcolor 0.2 0.2 0.2 1
light 0 -3 -8 1 0.5

mtlcolor 1 0 0 1 1 1 0.2 0.6 0.2 10 1 1
sphere 0 0 -8 2

mtlcolor 0 1 0 1 1 1 0.2 0.6 0.2 10 1 1
sphere 0 -8 -8 4