# Triakis-tetrahedron
# Data: George W. Hart, 1997.  george@li.net
8 12 18
 0.0000000000000  1.7320511392202  0.0000000000000
 1.4142131022050 -0.5773502567125 -0.8164966228729
-0.0000000000000  0.3464099825657 -0.9797959114021
-1.4142134498051 -0.5773503874356 -0.8164964380024
 0.8485281688646  0.3464102182877  0.4898978828461
-0.8485281326832  0.3464102278824  0.4898978692772
-0.0000000516803 -0.5773501696387  1.6329934666686
 0.0000000542720 -1.0392304533541  0.0000001940944
3 1 0 2
3 0 3 2
3 1 4 0
3 2 3 1
3 5 3 0
3 6 4 1
3 6 0 4
3 7 1 3
3 5 6 3
3 0 6 5
3 1 7 6
3 3 6 7
0 1
0 2
0 3
0 4
0 5
0 6
1 2
1 3
1 4
1 6
1 7
2 3
3 5
3 6
3 7
4 6
5 6
6 7