Originally Posted by pommychris
I think you can get away with losing a couple of inches in width but another inch and a half is going to go in to the seams aswell, just something to keep track of.
So I thought about it, and here's what I've come up with. I scaled the middle piece so that it should fit the entire way along the side and leave a quarter inch at top and bottom for the cord through the channel to come out.
What do you think? Any changes you think I should make?