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Chapter Description

In this sample chapter from Engineering Graphics with AutoCAD 2020, author Bethune presents the fundamentals of freehand sketching as applied to technical situations. It includes both two-dimensional and three-dimensional sketching. Like any skill, freehand sketching is best learned by lots of practice.

4-8 Sample Problem SP4-1

Sketch the object shown in Figure 4-11.

  • 1.jpg Sketch the overall rectangular shape of the object. See Figure 4-12.

    FIGURE 4-12

    Figure 4-12

  • 2.jpg Add proportional guidelines for the outside shape of the object, and lightly sketch the outside shape.

  • 3.jpg Locate and sketch guidelines and axis lines for the other features.

  • 4.jpg Lightly sketch the object, and make any corrections necessary.

  • 5.jpg Darken the final lines.

9. 4-9 Isometric Sketches | Next Section Previous Section

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