Take the pieces from the bag indicated, then be sure to put them back when you’ve finished the step(s).
From the Triple Towers bag…
(Early Bird Step) Cut the 7” C2 squares in half diagonally to make 2 triangles each (total 16 triangles).
Lay the large triangle on the “L” shaped piece, lining up the outer edges. Sew on the drawn line. Press open to make a 6½” square Triple Towers block. Trim the excess (behind the large triangle) from the “L” shaped piece. Make 16 Triple Towers blocks.