1930s Dress Pattern A shirtwaist dress with optional bishops sleeves, action pleated shoulders and other assorted pleats all to make for a very evocative thirties dress. The pattern is missing two pieces which should be easy for an experienced seamstress to replicate; the back of the collar and the inside facing of the button placket. parts C and D. Simplicity pattern 2571. Bust 38" Waist 32" Hips 41".