|  | 
| | |  | 18 Triangles = 1/2 internal planes of a Sphere  Be the first to post a comment.RSSHere are some of the ideas that I have been exploring. 
 Please let me 
know if there's anything you want to correct/find interesting/would like
 a copy of - or to purchase/participate in etc.
 |  | 
 | 
 |