(2) To draw a round surface by using the point method, perform the following steps:
Step 1. On one of the orthographic views (the one that shows the round surface as part of a circle) mark off a series of points along the rounded surface (figure 52, view A, on the previous page) . The points need not be equidistant. The more points you take, the more accurate will be the final isometric ellipse. If necessary, make a full-sized supplementary layout
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