A single page from E. Bittner's series on the construction of weaves, printed in Textiles. It presents weaving drafts for figures 536-548, each with threading, tie-up, treadling and drawdown, showing twill constructions in dark and light thread arrangements. Captions identify 4-leaf and 6-leaf filling, warp and balanced twills, broken twills, zig-zag twills and modified warp twills.