Please Help! My Roman blind doesn't fold in the right places when I lift it. It kind of puckers up and I have to spend time coaxing it out to fold correctly. Does anybody know what i need to do to make it fold, is it likely to be a problem with how it's been made? The fabric and the backing are both medium thickness and the blind is the width of one width of fabric. Can it be sorted by strategically putting weights in? will it need to be remade. Maybe the rods are too close together would that make a difference? So many questions...