|After you have the units all paper pieced, join them
as shown at left. Start at the top right open seam, and sewing from the outside in, using
a 1/4" seam, sew to the exact pivot point of the three triangle intersection.
Stop with needle still down in fabrics, turn fabrics to re-align, and continue sewing to
the center. Now add the next section to the right in the same manner, and continue adding
pieces clockwise until it is all together. Press all seam allowances clockwise
, clipping seam allowances in center as needed to have them lay flat...