From: Ken Mardle To: Russell McMahon Russell, Black hole warning ! An amazing collection of 3D animated mechanisms of all kinds - including some that I'll bet you have never seen: https://www.youtube.com/playlist?list=3DUUli_RJkGWfZvw4IlDLHNCQg Note the Load More button at the bottom of the list - there are around 1300 of these videos ! They were done by a retired Vietnamese mechanical engineer. Remarkable and deserving of wide exposure. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .