I started out thinking I would test a couple different patterns, but I really like the first one I tried. They are (thankfully) a bit over 6 inches across. This has turned into quite the stash buster. So far I've used Plymouth Fantasy Naturale that was leftover from a pinwheel blanket and a baby shrug. I'm hoping I have enough without having to buy more.
The pattern is here. (ravelry) The construction is very interesting on these! Without the video, I would have been totally lost. I can see many more of these in my future.