Yikes! I posted my response to you yesterday afternoon and it doesn't show up here. I have made this quilt before. A couple of things that I noticed while making it was to make sure that you have one light/dark/light strip and one dark/light/dark strip when you're getting ready to cut your squares. All strips should be the same width. If, when you say "small strips" you're talking about the squares that you've cut, or the diagonals you've cut from those squares, I found that stay-stitching the diagonals really helped keep everything the same size. A design wall helps too - you want to form an on-point square from one of your darker strips. Wishing you all the best!