# Decagonal Bi-Pyramid
# Data: George W. Hart, 1997.  george@li.net
12 20 30
 0.0959298624330  0.0000000000000  0.3104355771555
-0.1048605622446  0.0000000000000  0.3075338234719
-0.0000000000000 -1.0000000000000 -0.0000000000000
 0.2600783527374  0.0000000000000  0.1947614870726
-0.0000000000000  1.0000000000000 -0.0000000000000
-0.2655978011286  0.0000000000000  0.1871645828761
 0.3248856340595  0.0000000000000  0.0046951426694
-0.3248856340595 -0.0000000000000 -0.0046951426694
 0.2655978011286 -0.0000000000000 -0.1871645828761
-0.2600783527374 -0.0000000000000 -0.1947614870726
 0.1048605622446 -0.0000000000000 -0.3075338234719
-0.0959298624330 -0.0000000000000 -0.3104355771555
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 8 2
3 5 7 4
3 2 9 7
3 8 6 4
3 10 2 8
3 9 4 7
3 11 9 2
3 4 10 8
3 10 11 2
3 9 11 4
3 11 10 4
0 1
0 2
0 3
0 4
1 2
1 4
1 5
2 3
2 5
2 6
2 7
2 8
2 9
2 10
2 11
3 4
3 6
4 5
4 6
4 7
4 8
4 9
4 10
4 11
5 7
6 8
7 9
8 10
9 11
10 11