I would suggest putting a wide, chocolate brown border on the outside of your quilt, separated by a smaller, inner frame. This will give you a smooth surface to scallop and bind.Recently, Eddie, one of our members, posted the method he uses for scallops and there are a number of tutes.Try Sewing With Nancy and Missouri Star Quilt Company on You Tube. Most people use dinner plates to get the curves. I also have a scallop and prairie point rule as I like gadgets.