Step 2. On wrong side of white 3 7/8"
square, draw diagonal line with marking tool of your choice. Referring
to Diagram III, place white square on purple print 3 7/8"square,
right sides together. Sew 1/4" seam on each side of marked
line; cut apart on marked line. Press open to make pieced squares.
Step 3. To make Butterfly Block,
stitch 8 pieced squares and 1 purple print 3 1/2" square into
3 rows. Sew rows together. (Diagram IV)