Page:Arts & Crafts Essays.djvu/60

 aim should be to combine clearness of form and firmness of structure with the mystery which comes of abundance and richness of detail; and this is easier of attainment in woven goods than in flat painted decoration and paper-hangings; because in the former the stuffs usually hang in folds and the pattern is broken more or less, while in the latter it is spread out flat against the wall. Do not introduce any lines or objects which cannot be explained by the structure of the pattern; it is just this logical sequence of form, this growth which looks as if, under the circumstances, it could not have been otherwise, which prevents the eye wearying of the repetition of the pattern.

Never introduce any shading for the purpose of making an object look round; whatever shading you use should be used for explanation only, to show 36