Circumference of bust, waist, and hips are very close with little to no curves in between. How to bring shape to a rectangle: The rectangle body type has many options and can wear both sheath and A-line silhouettes well; the key is to create the illusion of a waistline. Shape can be created by wearing belted styles of a sheath and A-line dresses and it’s also good to wear a scoop or v-neck to add dimension to your upper body.