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Page:Popular Science Monthly Volume 56.djvu/706

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POPULAR SCIENCE MONTHLY.

joined—that is to say, that where contrasted connection is desired, the difference in direction must be abruptly and sharply indicated. In the profiles in the view the various curves have been continued in dotted lines beyond the profiles, so as to bring out

PSM V56 D0706 Proportional differences indicating good and bad designs.png
Fig. 7.

and make clear these two laws. You see that wherever there is a b. the dotted lines cross at, or nearly at, right angles, and that wherever there is an a. there is no crossing at all of the dotted lines. The essence of these two laws is of such importance in all artistic and decorative composition that beginners might well be put to drawing profiles until the principles involved have been absorbed and made a part of artistic apprehension. The profiles in the view are all pleasing, because the laws are observed. Try your hand at drawing profiles in which the laws are not observed, and you will quickly perceive the difference. The most beautiful of pure profiles are those presented by Greek entablatures. The most beautiful of Greek outlines are those presented by Greek vases. The beauties of Greek sculpture and of renaissance design belong so strictly to the domain of pure art PSM V56 D0706 Changing of curves and the addition of fillets improve the design.pngFig. 7. that they may not be used for comparison in an article on ornament.

As outlines are composed of profiles, the same laws govern. That the curved line is the line of beauty stands out most evidently in the study of antique designs. Vertical lines and horizontal lines are the lines of support and strength, and must always have proper consideration; but in pure ornament the office of straight lines seems to be confined to connecting curves and to emphasizing their contrasts.

The next view (Fig. 3) is to illustrate the progress already made. On the upper line are the three rough outline sketches for