v 0 0 1 
v 1.0 0.0 0 
v 0 1.0 0 
v -1.0 0 0 
v 0 -1.0 0
         
f 1 2 3 
f 1 3 4 
f 1 4 5 
f 1 5 2 
f 2 5 4 3
        
s 3 0 1 2 
s 3 0 2 3 
s 3 0 3 4 
s 3 0 4 1 
s 4 1 4 3 2