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THIRD-ANGLE PROJECTION. Figure
5-7 shows a third-angle projection of a
cube. As you can see, you get a
front view on the vertical plane, a
top view on the horizontal plane, and a right
side view on the profile plane.
Figure 5-7.-Example of a third-angle projection.
Figure 5-8.-A third-angle projection brought into a single plane. Again you assume that the vertical plane is already in the plane of your drawing paper. To get the other two views into the same plane, you rotate them both clockwise.Figure 5-8 shows a third-angle projection of an object brought into a single plane. The top view is above the front view; the
Figure 5-9.-Method of making a third-angle projection. right side of the object, as shown in the front view, is toward the right side view; and the top, as shown in the front view, is toward the top view. |
 
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