The Folded Corner Clipper is a great tool for cutting Half-Square-Triangles. It’s fast, and it uses fabric efficiently. Nobody likes to waste fabric! The classic method calls for cutting your pieces 7/8″ larger than the finished square. But using the Folded Corner Clipper, your pieces are cut 1/2″ larger than the finished square. That small difference can really add up to lots of saved fabric on a large project.
Here is the classic method of making Half-Square-Triangles, where you cut pieces 7/8″ larger than finished size:
Here is a tutorial on using the Folded Corner Clipper to make HST’s: