It's actually a very simple pattern - and, a great scrap quilt for hand piecing.
The center square is cut 4 1/4" (half light fabrics, other half dark)
Corners are 1 3/4" (4X however many 4 1/4" squares you have)
Again, half light fabric, other half dark.
You're obviously sewing light corners to dark centers and dark corners to light centers
I made the mistake of cutting my centers 4 1/2" - so now am testing which corners look better: cut 1 3/4", 2",or 2 1/2"