6: Orthographic Projection
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- 6.2: Auxiliary Views
- When an object has a slanted or inclined surface, it usually is not possible to show the inclined surface in an orthographic drawing without distortion. To present a more accurate description of any inclined surface, an additional view, known as an auxiliary view, is usually required.
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- 6.3: Sectional Views
- You have learned that when making a multiview sketch, hidden edges and surfaces are usually shown with hidden (dash) lines. When an object becomes more complex, as in the case of an automobile engine block, a clearer presentation of the interior can be made by sketching the object as it would look if it were cut apart. In that way, the many hidden lines on the sketch are eliminated.