Freehand perspective and sketching; principles and methods of expression in the pictorial representation of common objects, interiors, buildings and landscapes (1916)
Norton, Dora Miriam · Brooklyn : The author · leaf 115
f the front (Fig. 158), and\ note that the outer sur-f face of the ring touchesI the square frame at fourI points only — where thei diameters of the square5 cross it (A, B, C, and D).i These diameters, being\ parallel respectively to\ the sides of the square,\ are represented in theI perspective by… … Fig. 1.57 CIRCULAR FRAME IN A SQUARE FRAME 1 - A -c ^G s^ 8- V^ J, 1 Disregarding at first the opening in it, the circular frame may-be temporarily thought of as a slice from the cylinder, one inchthick, and therefore a very short cylinder, withan axis only one inch long. As placed withinthe square…
Drawing · Perspective
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