imsize 512 256
eye 0 0 0
viewdir 0 0 -1
updir 0 1 0
hfov 60
bkgcolor 0.1 0.1 0.1 1
light -2 1 0 1 0.5
mtlcolor 0 0 1 1 1 1 0.2 0.6 0.2 20 1 1
texture tests/umn.ppm

v -1 1 -4
v -1 -1 -4
v 1 -1 -4
v 1 1 -4

vn -1 1 1
vn -1 -1 1
vn 1 -1 1
vn 1 1 1

vt 0 0
vt 0 1
vt 1 1
vt 1 0

f 1/1/1 2/2/2 3/3/3
f 1/1/1 3/3/3 4/4/4