Print or trace the diagram onto foundation paper, number, and cut out as in the photo.
NB! If you're printing from the software remember to change the block size before printing.
If you're not using freezer paper for your foundation piecing, trace the top section of the block onto freezer paper and cut out.
Cut a piece of fabric about 3"x4" out of background fabric and iron the top freezer paper section to the right side. Cut the melon out of the fabric leaving a seam allowance all around. Clip into the seam allowance every 1/4" or so almost to the seam line.
Cut a piece of fabric about 3"x4" out of main fabric.
Place the main fabric face up on the table. Place the background section with the freezer paper on top on top of it.
Baste through all layers making sure to leave enough space around the edge of the melon to turn under the seam allowance during applique.
Using reverse applique, applique the melon shape.
DO NOT remove the freezer paper!
Trim the seam allowance to 1/4".
Now you can remove the freezer paper if you wish.
Trim away the excess fabric on the back of the section.
Foundation piece all the numbered sections. Trim seam allowances to 1/4".
Following the block diagram, sew all the sections together.