No foundation piecing.
Out of main block fabric, cut two strips 1" x 11"
Out of background fabric, cut 1 strip 1" x 11"
Out of background fabric, cut four squares 2" x 2".
Sew the three long strips together along the long sides as in the photo.
Cut the resulting pieced section into five 2" wide sections.
Referring to the block diagram sew the block sections together in three strips.
Sew the strips together.