PRIN. OF DRAFTING AND SHOP DRAWINGS - OD1641 - LESSON 1/TASK 1
other forms of drawings, from the standpoint of the workman and the draftsman, that
nearly all working drawings are made in this form.
FIGURE 1.
ORTHOGRAPHIC PROJECTION WITH
THREE VIEWS.
a. Views. Orthographic projection is the method of representing the exact shape
of an object in two or more views, on planes generally at right angles to each
other, by extending perpendiculars from the object to the planes.
One of these
views is referred to as the "plane" or top view and
2
Previous Page
