A friend of mine showed me what she was doing with leftover blue jeans and I liked the idea better than the rag block idea. She took a octogon template about 6 inches across made by her hubby in wood, added a piece of regular cotton fabric (square) for the centr, folded 4 sides down and stitched close to the raw edge. Its similar to the cathedral window as you connect the sections together the same way but use your machine. She also added a piece of batting under the cotton fabric same as you would for the cathedral window. You stitch as close as you want to the raw edge using a zigzag or straight stitch. True is will rag a little depending on how close you stitch to the edge but all the quilting is done at one time. I got tired of the same old rag block and this seemed like a nice way to use up those smaller pieces. of blue jeans as well as those smaller scrap pieces. Sorry I don't have a pic of the idea.