Leisure Arts Learn To Crochet Circles Into Squares Purse ePattern- Taking a circle and making it into a square is a unique variation on the basic crochet granny square. Follow a complete tutorial on creating the circle-center squares before getting into the round-by-round purse pattern instructions. Project calls for size 4 worsted weight yarn and a US size I-9, 5.5 millimeter, crochet hook. Finished bag measures approximately 16"x 13". Easy skill level. Originally published in LEA6032 Leisure Arts Learn To Crochet Circles Into Squares Book. 9 pages, PDF download..