Viking 1/4in. Edge Stitching Foot This 1/4" foot is a teachers favorite, the guide blade makes you achieve that perfect 1/4". Buy rubbing the material against the guide you will always have a straight line. Popular with quilters, this foot is used for piecing quilt blocks, sewing narrow 1/4-inch seams and topstitching. Also known as a "Quilting" foot. Works with these machine groups 7 and 750 Quilt, 555, 545 Designer I, II, III, Designer SE, Quilt Designer, Quilt Designer II (7), (7A)Sapphire 830, 850, 870, Diamond, Topaz 20, 30