Modern Graphics Communication, 6th Edition

Chapter Six

Orthographic Projection

Objectives

After studying the material in this chapter, you should be able to:

1. Recognize and sketch the symbol for third-angle projection.

2. List the six principal views of projection.

3. Sketch the top, front, and right-side views of an object with normal, inclined, and oblique surfaces.

4. Understand which views show depth in a drawing that shows top, front, and right-side views.

5. Know the meaning of normal, inclined, and oblique surfaces.

6. Compare using a 2D CAD program with sketching on a sheet of paper.

7. List the dimensions that transfer between top, front, and right-side views.

8. Transfer depth between the top and right-side views.

9. Label points where surfaces intersect.

10. Select a good arrangement of generated 2D ...