r 11 4 8
lookat 5 5 5
up 0 0 1

e 40

window -7 -7 7 7
front 20
back -30
viewport 0 0 1 1

gouraud

ambient .2 

light 10 10 8  .6 
light 10 0 8   .6
light .2 6 6   .5