3DGI
8
-10 10 -10
10 10 -10
10 -10 -10
-10 -10 -10
-10 10 10
10 10 10
10 -10 10
-10 -10 10
4 0 1 2 3
4 4 5 1 0
4 1 5 6 2
4 6 7 3 2
4 5 4 7 6
4 7 4 0 3
