Sew a Color 1 half square triangle to the left side of a Color 4
square, pressing seam to dark side. Make two units like this. Sew a
Color 1 triangle to BOTH sides of three more Color 4 squares, again
pressing to dark sides...
Now join the center units as shown at left...
Add the corner units and the block is finished!
This quilt is four blocks by four with a pieced