Freehand perspective and sketching; principles and methods of expression in the pictorial representation of common objects, interiors, buildings and landscapes (1910)
Norton, Dora Miriam · Brooklyn : D. M. Norton · leaf 114
verticalline, the better to secure thesymmetry of the cylindrical part of the model. See Fig. 161.) To obtain the length of this shortdiameter, slightly curved lines, perpen-dicular to the short diameter, aresketched from B to the right and fromC to the left, giving x and y for theextreme front and… … Fig. 161 FREEHAND PERSPECTIVE right angles to x «/, and through its apparent middle from frontto hack; making one end fall in front of D, and the other backof A. It will also be a little in front of O, the true center ofthe circle, and a little longer than A D, but not touching theframe. Mark…
Drawing
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