Speed piece the half squares by
stacking the Color 1 and Color 2 2-7/8" x 17-1/4"
strips, right sides together and edges aligned. On the back of the
top strip, mark the 2-7/8" square lines and mark the diagonals
as shown at left. Now sew 1/4" above and below the
diagonals, pivoting at the square lines. Now cut apart on the
diagonals, and on the 2-7/8" square lines. This will give you
twelve half squares. Press seam allowances towards the darker
fabric. These should measure 2-1/2" ...