MCCALL'S M8646 is a paper sewing pattern for lined, boned corsets in sizes 10–18. The corsets have Basque-point fronts and lace-up backs with grommets, with sweetheart or straight necklines and optional shoulder straps. Decorative options include mock ribbon lacing, appliqués, ribbon-tied straps, buttons or brooches, plus a short peplum or drawstring overskirt. Recommended fabrics include brocade, chintz, medium-weight cotton, satin, sateen, silk dupioni, taffeta, twill and wool. Sewing level: intermediate.