I do the same thing!!!! My second quilt ever was a snowball and the person that taught me showed me the same thing! Great idea!
Originally Posted by PaperPrincess
Waste? I make small half square triangles from the cut offs. You can use them in the current quilt or another project. I sew the first seam, then sew the extra seam about 1/2" away, then cut between the seams. You have your block plus a bonus hst.