3DG1
8
-30 20 -10
40 20 -10
40 0 -10
-30 0 -10
-30 0 40
40 0 40
40 20 40
-30 20 40
4 0 1 2 3 0
4 4 5 6 7 0
4 1 6 5 2 0
4 3 4 7 0 0
4 7 6 1 0 0
