1. Have a look in the Support section first to make sure your question hasn't already been answered. The glossary might also help you.
2. Please don't ask me to send you nets or 3D files for polyhedra. You can buy my software to perform these tasks. Please don't ask me for a free copy of the software either.
Send an email to
Note: if email address does not appear above, use form below instead.
4. Or, send your comment using the form below.
Copyright © 2001-2013, Robert Webb.