Here's a 41 bight double weave herringbone design that has not been doubled. The cord is substantial enough to hold a flexible but firm shape. Size is "huge" at 9 1/4" (230 mm) inside circumference and 2 1/4" (58 mm) wide.
fiber design and traditional rope bracelets are available in these online shops:
WhatKnotShop on Etsy
WhatKnotShop on Zibbet