Something might be listed here
www.knightrealms.com/web-links.html
If not, there are a good number of people at game you can speak to who have made their own weapons in the past (Steve O. and Tim P. are two people who I'm pretty sure have both worked with latex, and Sean M. is crafty as all get out, so he is probably an excellent resource as well.)
If you do stumble across a good resource link online, let Geoff Schaller know and he'll add it to the weblink resource page for future players to have a look at.