Applique fun.
Print or trace the block diagram onto the dull side of freezer paper, and cut out the "frame" as in the photo below.
Out of main block fabric, cut a 6" x 6" square. I like to cut the fabric bigger and trim it down later because with applique there is sometimes a bit of "shrinkage".
Iron the freezer paper frame onto the right side of the fabric square.
Using the freezer paper as a guide, applique the four background fabric melons into position.
I like the "freezer paper inside" method for melons.
Carefully remove the freezer paper.
Out of background fabric, cut a 6"x 6" square.
If the freezer paper frame will still stick, iron it to the right side of the background fabric square.
If not, you'll have to retrace/reprint the block.
Cut out the inside of the frame, leaving a scant 1/4" seam allowance. Clip the curves.
Place the background fabric square right side up on top of the appliqued main fabric section, carefully positioning the melons in relation to the frame.
Baste through all layers.
Reverse applique along the freezer paper edge.
Remove the freezer paper and trim away any excess main block fabric from the back of the block.
Lastly, applique the four main fabric melons onto the block.