I'm doing one with 1.5" squares. Let me see if I can explain how I'm doing it. I'm chain piecing them. I sew the first 2 vertical rows together and leave them connected by thread. Then I add the third row, again leaving them connected by thread. I do it all the way across, then fold at the threads and sew horizontally across the whole thing. I know that makes no sense what I just wrote but I'm not sure how to explain it. I took pics of my last block in progress, let me see if i can figure out how to upload them here. Or maybe I can find better directions. Or both.