Better: Sew 3 strips together lengthwise → strip set width = 9+9+9 = 27" tall. Subcut into 9" segments → each segment is 9" x 27". Open segments? Actually, that’s wrong for a traditional strip quilt.
This is a complete guide to finding and using that you can download as PDFs at no cost. free 3 yard quilt patterns to download pdf free download
Sew strips together in sets of 3 (one of each fabric) → 4 strip sets. Subcut each strip set into 9" squares → each strip set yields 4 squares (9" x 9")? No – recalc: Better: Sew 3 strips together lengthwise → strip