During which decade did the bias cut dresses become fashionable?

Bias cut dresses became particularly fashionable in the 1930s because this innovative technique allowed for a fluid, form-fitting silhouette that emphasized the natural curves of the body. The bias cut, which refers to cutting fabric at a 45-degree angle to the grain, provides greater drape and movement than traditional straight cuts. This period was marked by an appreciation for elegance and femininity in women's fashion, and designers like Madeleine Vionnet famously utilized the bias cut to create sophisticated and modern styles.

The 1930s was also a time of significant advancements in fabric technology, which meant that lighter and more flexible materials were available, enhancing the appeal of bias cut designs. The effect was a strikingly sleek silhouette that complemented the fashion trends of the time, leading to its popularity among both designers and wearers.