origin void void 3.5 3.5 1
direction void void -1 -1 -1.25
up void void 0 0 1
fov void void .611 .611
resolution void void 500 500

pointlight light void 4 -3 5 1 1 1

background bg void  0.2 0.2 0.2
grid lotsofspheres.txt void 100 100 100

#lotsofspheres.txt was generated by Dr. Reinhard's spheres.cc code