Grainline Studio’s Willow Tank Dress sewing pattern. A versatile and reliable staple for all warm weather seasons. The Willow Tank Dress can be sewn into a tank top or a dress. It’s fitted at the shoulders and has a relaxed fit below the bust. Pattern is nested to facilitate cutting between sizes if needed. Fabrics that work great for the Willow Tank are light to medium weight woven fabrics such as cotton, linen, silk, crepe de chine, charmeuse, voile, chambray, etc.