1. Referring to Diagram 6, pair two A Units and two B Units. Sew together units in each pair. Press seams toward A Units.
2. Join pairs to make a Melon Patch block. Press seam in one direction. The block should be 16-1/2" square including seam allowances.
3. Repeat steps 1 and 2 to make four Melon Patch blocks total.