# 1 	-body material
# 2 = 1	-ends filled

here
p       -0.5    0       0.866
p       0.5     0       0.866
p    	1   	0    	0
p       0.5     0       -0.866
p       -0.5    0       -0.866
p       -1      0       0

p       -0.5    1       0.866
p       0.5     1       0.866
p    	1   	1    	0
p       0.5     1       -0.866
p       -0.5    1       -0.866
p     	-1      1       0

mtl %1
f 0 1 7 6
f 1 2 8 7
f 2 3 9 8
f 3 4 10 9
f 4 5 11 10
f 5 0 6 11

cmp 0 %2 1
?0 f 0 1 2 3
?0 f 3 4 5 0
?0 f 6 7 8 9
?0 f 9 10 11 6