Well I'm a freshman at MTU and so obviously a first year AES. I was the one who actually made the design for the dodecasub official (so we had something to actually work off of). It wasn't a huge deal to figure stuff out, but I had to make sure that all the subs would fit without too many clearance problems (I just used an approximate size for each sub that was a little larger to allow for errors). Each side is 10 inches - this provided a decent size that still allowed us to move it through doorways (that was one of our constraints haha). The main angle that we needed is the one in the lower-right of the picture: 58.17 degrees for the inside angles; we used the jig to get these angles on each side of each pentagon (woo, 60 cuts!) and it worked well! The main reason we had gaps was because the sides weren't exactly perfect pentagons - a few sides were a little bit longer. UGNX3 Design: The easiest way to see the whole construction of our sub (providing you have a facebook) is to go to the album i made: http://mtu.facebook.com/album.php?aid=2000...p;id=1273920012 Some pictures of it being finished: The subs ready to be put in: About half the subs in (seems a 5-gallon bucket fit perfectly around one of the subs, so we used one to stand the dodecasub higher): Last sub going in: Top view of the bottom (we had to test it upside down to access the terminals): and yes, we all love cellphone pictures