View this model with the command
off_util null -Av2,0,0 -Av3,0,0 -Ae0,1 | sweep_edges -n 80 -R 0,0,5*ANG -S '((2/3)^(5*FRAC))'| off_util -l 10 -M a | wythoff -c j | off_color -f P -m map_green:brown | antiview -t no_tri -x e
