This is the most versatile of openings. used most often for skirt openings for period and vintage styles, shirt bibs and fronts, sleeves and cuffs,
First starch and press the fabric for placket. cut out and mark lines using chalk or a special disappearing pen. Fold the raw edges over on lines and press. Pin RIGHT side of placket to wrong side of garment as shown in picture. Sew around the opening and cut open on centre line, snipping into corners.
.Turn placket to right side of garment. Don’t press yet. Fold the shorter side (here on left) back across the raw seam and opening and press lightly. Topstitch down edge just to bottom of opening.
Fold other side of placket back over the opening, covering raw edge and topstitch down edge and around the point and back across just below the opening to secure.
Finished placket is now ready to either attach cuff or waistband and sew buttons and button holes or press studs if required.