Not know how much "yardage" you will have, but I'm thinking a simple HST made of solids/plaids or stripes would look great. I would cut starting squares no smaller than 5" but no larger than 9".
These examples use 6 1/2" cut squares. To make it bigger than the 40 x 40 size, just add more triangle squares.
https://www.createwithclaudia.com/20...ngle-tutorial/