Next speed piece the half squares, by
stacking the Color 1 and Color 2 3-7/8" x 7-3/4"
strips, right sides together and all edges aligned. On the back of
the top strip, lightly mark the 3-7/8" square line and mark the
diagonals in the direction shown at left. Now sew 1/4"
above and below the marked diagonals, pivoting at the square line.
Now cut apart on the marked diagonals, and on the 3-7/8" square
line. This will give you four half squares. Press seam allowances
towards the darker fabric. These should measure 3-1/2" ...