I once took a hand quilting class with Bettina Havig, and this is exactly what she does. The clear contact paper is cut in the shape of what you wish to quilt, like a leaf, for example. Then the leaf is placed ontop of the quilt and handquilted around the edges. Once you are finished, it just lifts off, and can be used again several times before there is too much cotton fuzz on the sticky side for it to stay in place well. The advantages of this method are that you don't need to mark the quilt top, and the contact paper is very inexpensive for a roll, which provides alot of plastic for designs to be cut out of. It works very well.