o convex_0
v 0.840804 -1.192095 1.010101
v -1.179398 -3.212099 -1.010101
v -1.179398 -3.212099 1.010101
v -1.179398 -1.192095 -1.010101
v 0.840804 -3.212099 -1.010101
v -1.179398 -1.192095 1.010101
v 0.840804 -3.212099 1.010101
v 0.840804 -1.192095 -1.010101
f 5 4 8 
f 2 3 4 
f 3 2 5 
f 2 4 5 
f 3 1 6 
f 4 3 6 
f 1 4 6 
f 1 3 7 
f 5 1 7 
f 3 5 7 
f 4 1 8 
f 1 5 8