ner in which the design is made. It will be interesting to see how readily the design B may be copied by resorting to the method of duplicating a drawing as shown in the chapter on Triangulation.
Corners and Borders. In drawing corners and borders, guide lines must be made, especially parallel lines for the borders, so that the design will show evenly and straight, or in proper curves, according to the design used.
Weaving Units. A good method for practice is to make tracings of various simple units of ornamental design, weaving them by repetition into various compositions, and varying the component parts according to the judgment of the student. These tracings should be preserved for future use in other designs.
Interspersing Units. The various geometrical and ornamental figures shown may be broken, or separated, by interspersing flowers or units, such as leaves, or almost any of the conventional forms shown in this and other lessons.
Book Covers and Posters
Ornamental Lettering is often desirable, but it should not overshadow the main design of a book cover or poster. On the other hand, it is advisable to ornament the lettering in order to enrich the pictorial aspect of the design.
Posters may have much ornamental detail, and, as in the case of a book cover, the more gracefully the letters are drawn, the better becomes the general effect of the entire combination.
Simple Human Figures, harmoniously inclined, surrounded by a graceful and ornamental design may be added, usually make a pleasing cover. It is necessary, however, to guard against an extravagant use of ornament, which is a common fault.
Designs for Book Covers should at all times avoid complexity, and the style and quality of the embellishment should not detract from the legibility of the lettering or the promi-