I finished sewing these blocks together. I had cut them out over a month ago. I showed this as one of the ways to use the rectangle squares at my scrap class. It is a tessellating design. The dark shapes are 4 pieces of the same fabric, and the light ones are 4 different fabrics and are formed when 4 blocks come together. I didn't get this sewn together as a top yet. It will finish at 32.5" x 48.5".
I chose the fabric for the setting triangles and got this top sewn together. It measures 36.5" x 43.5". Both of these quilts are made from the same block, with the zig zag being scrappy instead of a controlled group of fabrics.