ELEMENTS OF ART 19 PATTERN SUMMARY L The decoration should be necessary for the beauty and ex- pressiveness of the article; if it is not, it should be omitted. 2. The decoration should usually follow the same shape as the contour of the part upon which it is placed. 3. The motif should be in scale with the object decorated. 4. The parts of a design should agree in shape and scale. 5. The decoration should be placed at natural structural points on the object decorated. 6. The decoration should never interfere with function. 7. A design should suit the process used in its production. For example, fine detail should be avoided in a linoleum-block print. 8. The design should fit the material it decorates and should express the same idea. For example, fine detailed design is not proper on monks' cloth. 9. The design should be of the right historic period if the article is period in feeling. 10. A design should have definite character such as quainmess. 11. Decoration should be simple* not elaborate. 12* A design should appear to be a joyous expression of the creator, and not a labored, forced piece of work. 13. Casual, freehand effects usually result from skill of the artist, not from lack of skill, 14* The background spaces as well as the foreground motifs should make a pleasing pattern. 15* It adds interest to a design if background and foreground spaces interpenetrate so that the effect is reversible, with the background as definite in shape as the foreground. 16. The best designs are usually abstract or stylized. 17. Realistic, pictorial motifs are often poor, 18. The coloring should suit the design: for example, bold colors sure best for bold patterns. 19. Out-of-the-'Ordinaiy designs are most desirable. 20. Consumers should became familiar with the work of th« outstanding contemporary designers.