Flat Braid Crochet Join Tutorial pattern by Margaret MacInnis. It’s a big photo-intense pages. Great idea for joining squares if you must. I really hate granny squares - you do all the squares and then spend ages joining the d----d things.
Rumi, Calligraphy is an ancient art of handwriting for which people took much pride in creating. This specific picture of a dancing man in traditional middle eastern garment consists of arab calligraphy.