Cut strip width for hst. Trim all HSTs to the desired inch square. Eight at a Time Method. Want to thank everyone for all of your helpful suggestions etc. There are many methods for making HST squares. Attached Images. The top or right edge if you are right-handed, or the top or left edge if you are left-handed. Thank-you so much for the chart. Sweta Patel January 18, at 1: Again the bias edges can make piecing pretty frustrating.