Description BIRCH FRENCH CURVE METRIC Metric French Curve – Aids in designing, drafting, grading patterns & adding a seam allowance to block patterns. Includes grading rule and seam allowance guide with curves for neckline, armhole, sleeve cap, hipline and waistline. The Birch French Curve can be used as an aid in designing, drafting and adding a seam allowance to block patterns.
