Assemble Center Block
1. Referring to Diagram 3, lay out a Four-Patch unit, two small Flying Geese units, and a white shirting 1-1/2" square in two rows. Sew together pieces in each row. Press seams away from small Flying Geese units. Join rows to make a corner unit. Press seam in one direction. The corner unit should be 3-1/2" square including seam allowances. Repeat to make four corner units total.
2. Referring to Diagram 4, lay out four corner units, four white shirting 2-1/2x3-1/2" rectangles, and remaining Four-Patch unit in three rows. Sew together pieces in each row. Press seams toward white shirting rectangles. Join rows to make center block. Press seams toward middle row. The center block should be 8-1/2" square including seam allowances.