b 0.5 0.5 0.5
v
from 4.86 7.2 5.4
at 0 0 0
up 0 0 -1
angle 25
hither 7
yon 11.5
resolution 512 512
l 4.0 2.5 3.5 0.95 0.2 0.1
l 0.0 -1.0 -4.0 0.1 0.2 0.95 
f 0.9 0.9 0.9 1.0 1.0 0.01 0.001 0
pp 3
0 0 0 0 0 1
1 0 0 0 0 1
1 1 0 0 0 1
pp 3
0 0 0 0 0 1
1 1 0 0 0 1
0 1 0 0 0 1
pp 3
0 0 0 0 1 0
1 0 1 0 1 0
0 0 1 0 1 0