Thanks for the replies guys. I was beginning to think this was top secret info.
I'm not planning any recurves right away, but just want to try and make everything universal in case I change my mind on down the road.
My thought is to build/drill everything using 1.70" as my base width. My one piece is about 1.45" with the limb profile taper starting at the fades or an inch out. On the TD, if I start tapering my limb profile right off the pads, I should end up with about 1.5" at the end of the fades.