Happy: For me the ruler method is a way for me to store large quantities of fabric (AKA Stash) in bookcases. I fold the fabric lenghtwise in quarters then I wrap it around a six inch ruler, remove the ruler and place on end in a book case. This makes my fabric much easier to see and I frequently "design" without even removing the fabric from the shelf. Shirley suggested using a larger ruler, which uses the bookcase space more efficently and means you can pack in more fabric in a smaller space. Something I never thought of.