These were made with the Marti Michell DWR templates. I just followed her instructions. I have also used the John Flynn method. Advantage of the JF method is there are more ring sizes available. With the MM method, you are limited to a 17" ring size. Am about ready to try a strip pieced DWR called "Colorado Wedding." - you could check out the website
www.pambonodesigns.com and see if it is there. I had downloaded it some time ago. When I get this one done (way in the future, I'll also post it)