Smart-Ease Half Square Triangles - 10006
You can make any size HST from just one panel of interfacing! Keep a few panels of smart-ease HST in your stash, and you'll never run out of the size you need. The magic is in the method - a combination of printed fusible interfacing and your ruler, mat and a rotary cutter. It's easy for beginners and smart for everybody. You will love it.