To make the corner rectangle units, place a
Color 3 small square right sides together atop the left end of a Color
1 rectangle, with outer edges aligned. On the back of the top square
lightly mark the diagonal. Sew ON this diagonal marking. Cut off the
excess seam allowance. Press the remainder towards the corner. Make
four of each of the rectangle units shown at left, noting that the
sewing direction is opposing in four of them...on to Page 2!