Couture Snippet A Tutorial on how to take a dress down a size or two Sew a Fine Seam How to downsize the armhole in the dress without going to the tailor! I am making a spaghetti strap dress but am stuck with the neck and arm hole lining. The first picture is the lining pattern for the front, the 2nd photo is the Sewing tips on how to upsize the underarms on your favorite dress Sewing Like Mad: Tutorial: Bagging Method for Lining of Sleeveless Dress & Nova Midi Dress by StyleArc.