I forgot to mention that the project day is mid-February. Last year, we finished 7 small blankets/quilts for Project Linus in that 4 hour time frame. Hopefully we will have another couple of hours this time around, and maybe we can have a finish-up session shortly after the planned day. But we need to shoot for start to finish in one session. Tartan, I had not seen that magic block before! Now that's a possibility...