How to Crochet the Swan in 3D Free Crochet Tutorial This pattern creates several 10-sc-circles, which folds upon each other, creating a 3D effect. Crochet Material Crochet hook size 3.0 Crochet Yarn 4.0 ply White and Black. Sewing needle. Crochet Swan Pattern Instructions This pattern uses US crochet Abbreviation. Special stitches: 3-ch Picot. Ch