I have watched Elanor Burns use her QIAD flying geese rulers so many times and it looks so easy that when I had a chance to buy a set cheap off ebay, I ordered them. I have not had a chance to use them yet. I got the large and small sizes. I like the idea of making them a little oversized and trimming them down because somehow I always get the goose's "beak" too close to the edge and the point gets cut off. Looks like there are a lot of ways to do them.