Better Off Thread. Use a nice spring time bright or lime green as your central color anywhere in the block and a white or any light solid background. Just a few tips: This is paper piecing, the directions are straight forward and complete. When piecing the 3 1/2 inch blocks together, I found a scant 1/4 inch was a better choice than the 1/4th she recommends, then re-square the 6 1/2 inch paper pieced blocks. Try your best at matching the points, but don't fret too much if they are off, just go with it and HAVE FUN.