The Shell Dress & Top (PDF)This simple shell shape is cut with the sleeve and body as one. A diamond insert under the arm provides the shape and for movement of the arm and body. This style is designed for boiled wools and scuba fabric that do not fray and can be left with raw edges. However it is possible to use a 4 way stretch jersey and finish the edges with a twin needle hem. Product type PDF Size 8 18 Skill level Intermediate Fabrics Boiled wool, neoprene, scuba and 4 way