Diagrams of woven fabrics form a tiling of the plane into unit squares without common inner points, each of which is black or white. Symmetries of those diagrams are investigated.
 B. Grünbaum G. C. Shephard: Satins and Twills: An Introduction to the Geometry of Fabrics
. Math. Magazine 53 (1980), 139-161. DOI 10.2307/2690105
| MR 0600071