On Dec 28, 2012, at 3:49 PM, Troy Henderson > wrote: One thing, which you may know, gear teeth do not normally have rectangular profiles. This must be what Hans was talking about. I thought Hans was talking about the animations of the construction of Bezier curves, which are pretty cool. Thanks again for the response. ________________________________ This e-mail message (including any attachments) is for the sole use of the intended recipient(s) and may contain confidential and privileged information. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this message (including any attachments) is strictly prohibited. If you have received this message in error, please contact the sender by reply e-mail message and destroy all copies of the original message (including attachments).