View C is shaped at the seams with inseam buttonholes. Each vest is turned right side out a different way. View D is texture blocked. All one color, a combination of texture blocks produce the interest. Suggested Fabrics A and B use cotton.
C is silk suiting.
Many different fabrics can work for any of them. D is a combination of wool crepe with manmade leather trim and back. View B is strips of silk arranged in block shapes on a fusible base, then raw edges generously stitched all over to blend into one fabric. Views C and D are log cabin type piecing on a base fabric. Suggested Fabrics View A is best in easily raveled washable fabrics.