Beautiful Crochet Border Pattern for Blankets. The Decorative yet EASY Fan Wave Crochet Border Written instructions for the Fan Wave Shell Border, can be used on any blankets such as the C2C, as a border not just for baby blankets. Free Crochet Border for Blanket Pattern by LisaAuch This is a beautiful crochet Ruffle border. It IS the most requested by my customers as their chosen crochet border to finish off their custom crochet blankets.