Next, align a Color 1
2" square atop one end of a Color 4 rectangle, right sides together; mark the
diagonal on the square, and sew along the marked line. Trim off the excess seam allowance.
Sew another square on the other end using the same method, and sewing the diagonal seam in
the same direction. Make four of these, then make four more of these units with the slant
going in the opposite direction. Press all seam allowances towards the Color 1 squares...