Ravelry: Crochet play food pattern by Penille Hjortnaes
Crochet sandwich - apparently this is from a book. The link I've added goes to an adapted pattern: "Adapted from "Yummi 'Gurumi: Over 60 Gourmet Crochet Treats to Make" by Christen Haden, published by Mariarosa Sala/Andrews McMeel. Images Jeremy Hopley."
【绘画教程】「メイキングまとめ」/「c7肘」の漫画 [pixiv] photoshop process of painting linework