eye 0 0 5
viewdir 0 0 -1
updir 0 1 0
vfov 45
imsize 512 512
bkgcolor 0 0 0 1
light 2 0 -7 1 0.3
light 0 -2 -7 1 0.3
light -2 0 -7 1 0.3
mtlcolor 1 1 1 0 0 0 1 0.5 0.4 1 1 10
sphere 0 -2 -10 2
mtlcolor 1 1 0 1 1 1 1 0.2 0.2 1 1 10
sphere -4 2 -10 2
mtlcolor 1 0 1 1 1 1 1 0.4 0.2 1 1 10
sphere 4 2 -10 2