(Psst. It's not actually pieced on the slant. It's straight. I just wanted you to think it's interesting. That's some A-1 top-flight craft blog photography right there, hah? Hah?)
I have an idea for the back, but because I'm lazy I'm not especially good at appliqué, I'm going to let Spoonflower do the work. More on that when my custom-printed fat quarter arrives.