Home » Free Crochet Patterns » FREE Crochet Pattern: Corner to Corner Squares FREE Crochet Pattern: Corner to Corner Squares September 30, 2020 / By Anne Sabacan Save To Pinterest16 Corner to Corner (C2C) is a popular technique in crochet. In this Corner to Corner Squares pattern, you will use 227 yards in the square, not including the border. Project Size: 22 inches x 22 inches Skill Level: Easy free pattern here Save To Pinterest16