What is a Twill?
After plain weave, the twill is the next most common weave structure. You will recognize it by the distinct diagonal line visible on the face of the fabric. Unlike in plain weave, where the weft yarn goes over one warp thread and under the next, the binding points in a twill happen in a diagonal progression across the warp, moving steadily to either the left or right. The yarn also usually travels over groups of threads. For example, a...