3DG1
20
-20 20 -10
20 20 -10
20 0 -10
-20 0 -10
-20 0 20
20 0 20
20 20 20
-20 20 20
0 40 0
10 40 0
10 20 0
0 20 0
10 40 10
0 40 10
0 20 10
10 20 10
-3 48 -3
13 48 -3
13 48 13
-3 48 13
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
4 8 9 10 11 0
4 12 13 14 15 0
4 9 12 15 10 0
4 13 8 11 14 0
4 8 16 17 9 7
4 18 19 13 12 7
4 17 18 12 9 7
4 19 16 8 13 7
4 19 18 17 16 0
