# Hexagonal Bi-Pyramid
# Data: George W. Hart, 1997.  george@li.net
8 12 18
-0.2886751088135  0.0000000360851  0.4999999715831
-0.5773502207515 -0.0000000036081 -0.0000000000000
 0.0000000000000 -1.0000000000000  0.0000000000000
 0.2886751244381 -0.0000000036080  0.4999999499325
 0.0000000000000  1.0000000000000  0.0000000000000
-0.2886751244381  0.0000000036080 -0.4999999499325
 0.5773502207515  0.0000000036081  0.0000000000000
 0.2886751088135 -0.0000000360851 -0.4999999715831
3 1 0 2
3 0 3 2
3 1 4 0
3 2 5 1
3 4 3 0
3 6 2 3
3 5 4 1
3 7 5 2
3 4 6 3
3 6 7 2
3 5 7 4
3 7 6 4
0 1
0 2
0 3
0 4
1 2
1 4
1 5
2 3
2 5
2 6
2 7
3 4
3 6
4 5
4 6
4 7
5 7
6 7