Patchwork Foot #37D is a precision favorite for 9 mm BERNINA machines with the Dual Feed system, designed specifically for straight-stitch piecing. It helps you sew accurate 1/8" (3 mm) or 1/4" (6 mm) seam allowances, so blocks and units line up beautifully. Three evenly spaced side notches—each 1/4" apart—make it easier to insert pieces squarely and stay on track at corners and intersections, while a slim groove under the flat sole provides a smooth channel for thread as you piece.Guaranteed to fit Bernina Sewing Machine Models: B570 Quilters Edition, B590, B710, B740, B750 Quilters Edition, B770 QE Plus, B770 QE Pro, B770 Quilters Edition, B780, B790, B790 Plus, B790 Pro, B820 Quilters Edition, B830, B880, B880 Plus, B990 Alternate Part Numbers: 033152.72.00
