IJNME '91 convex polyh with 7 faces
0.0 30.0 20.0 40.0 0.05 40.0 0.25 0.5 25 100 2 0.8
10 7 0 1 0 0 0

 4.0  2.0  0.0
12.0  2.0  0.0
12.0  8.0  0.0
 6.0 11.0  0.0
 2.0  7.0  0.0
 6.8  5.0 15.0
 9.0  5.0 15.0
 9.0  7.0 15.0
 7.0  8.0 15.0
 6.0  7.0 15.0

1 6 11 15 19 23 27 31
1 2  3  4  5  6  7

5   4   3   2   1
6   7   8   9  10
1   2   7   6
2   3   8   7
3   4   9   8
4   5  10   9
5   1   6  10

1 8
1 2 3 4 5 6 7
