The Cafe Wall Illusion is pretty neat and works really well for a quilt because although the lines look like they are bending, they are actually perfectly straight. So it's easier to put together than it looks. Even so, it took us a bit of time to nut out because the illusion only appears if you meet certain criteria. Also, you need to ensure that you use a light and a dark … [Read more...] about Cafe Wall Illusion Quilt Tutorial