I saw this quilt on Pinterest (There's a Dog on my Quilt) and wished I had the pattern, discovering it was out of print. But I figured it out and made a quilt for my great-grandson. My question is - since I have figured out the pattern, and since it seems like a lot of people wished they had the pattern, how could I sell the pattern? Since the original is copyrighted, could I give design credit to Billie Lauder, or would I have to make significant changes to the design in order to call it my own and sell it?