Twill pattern

A twill pattern is a simple pattern that appears on the surface of some weaving. It consists of diagonal rows of floats on the surface of the weave, created by staggering the weaving each row.

Twill can come in two patterns, the diagonals either going from left-right or right-left down the weave. These are called an S or Z-twill (respectively) - the name stemming from the percieved diagonal in the centre of the S or the Z.