This stunning 1930s bias cut silk gown has a simple elegance with a cowl neckline and a long, fluid train that gives it an effortless vintage feel., Small fit [Waist 26], Full listing is in the Madeleine Vionnet is typically credited with inventing bias cutting. It's actually untrue. Cutting on the bias had been in use long before, typically for things like ruffles, and by the start of 1930s Fashion Styles Vintage Sewing Pattern Company Bias cut gown, Rose Amado, c. 1935, Goldstein Museum of Design.