I think this might be it, http://www.cyro.com/Internet/Home.nsf/Main2!OpenPage,
click on literature on the left side. Scroll down to, Working with ACRYLITE acrylic sheet - product information (- 1084) do a right click and save target as.
Thanks for pointing out the links...I'm working on redoing the damn files so they work, but I'm having problems with it losing all the document formatting when I do it...so, for now, you get what you're getting ;-)
When the class is all done, I will have a revised version of the entire lesson for everyone.