(The video on the link is especially vivid. Creepers...)
We've got a blue moon happening, too!
(A blue moon, if you're wondering, is the second full moon in a month. It happens every once in a while...but not often. Hence the title -- and meaning.)
It's hard to believe, but you can take this simple triangle block: Cut it into slices, as shown in the photo. Sew and cut more blo...