Or Stack n Whack, One Block Wonder. I've seen a few names for this sort of quilt. You start with a loud patterned fabric with repeats every 23 inches or so.
You make cuts of the fabric, stack up the sections, and cut out 8 identical triangles.
Then you sew the triangles together and watch all the different patterns pop out like magic:
I tried making some 4 triangle squares, just to see what it would look like:
and here's all the blocks I made from that one piece of fabric: