Köperbindung keper keperweefsel kypert sarga sarja serge tessuto spigato twill δίμιτο אריג עם חיבור מלוכסן keper serge weave tvil twill twill twill twill twill twill twill twill twill weave keperweefsel Refers to a woven textile characterized by parallel diagonal ridges or ribs, produced by passing the weft threads over one and under two or more threads of the warp, instead of over and under in regular succession, as in plain weaving. Regular twill features a diagonal line that is repeated regularly, usually running from the left to right at a 45-degree angle and upward. The weave may be varied in several ways, including changing the angle or direction of the twill line, as exemplified in herringbone twill (AAT)