It’s Pi Day! And to celebrate, here’s the official formula for a pi shawl: CO 9 sts and join to knit in the round. Knit 1 rnd. (YO, k1) around—18 sts. Knit 3 rnds. (YO, k1) around—36 sts. Knit 6 rnds. (YO, k1) around—72 sts. Knit 12 rnds. (YO, k1) around—144 sts. Knit 24 […]