This is a program that shows you how to cut up a big sheet of wood into the pieces you need with the least wasted wood as possible. For those making their own sub enclosures. I know there are a few of these programs out there but here is one that works pretty nicely once you get the hang of it.

http://www.optimik.com/index.htm

I wasn't sure where to put it and this is just what the flip of my quarter said to put this post.