OFF
8 6 0
1.0 1.0 -1.0
1.0 -1.0 -1.0
-1.0 -1.0 -1.0
-1.0 1.0 -1.0
1.0 0.999999 1.0
0.999999 -1.000001 1.0
-1.0 -1.0 1.0
-1.0 1.0 1.0
4 0 1 2 3
4 4 7 6 5
4 0 4 5 1
4 1 5 6 2
4 2 6 7 3
4 4 0 3 7