How to Create and Square Up Half Square Triangle (HST) Quilt Blocks

How to Create and Square Up a Half Square Triangle (HST) Quilt Block The Traditional Method of making Half Square Triangle Blocks (HSTs) is to place a 2-7/8″ x 2-7/8″ dark square right sides together with a 2-7/8″ x 2-7/8″ light square. My personal preference is to cut the squares slightly too large and square…