Broken Twill draft woven on a 4 shaft loom.
In a Broken Twill the twill changes direction.
Skip Twill Draft
In a Skip Twill the the direction of the twill remains the same, but some threads are dropped.
Handweaving Pattern Books
The Handweaver’s Pattern Directory
Introduction to the tools, equipment, fibers, and yarns used with four-shaft looms, this reference features patterns for 600 different weaves, including twill, zigzag, diamond, herringbone, and block
UK: Handweavers Pattern Directory