ORTHOGRAPHIC PROJECTION Orthographic projection is the method of representing the exact shape of an object by carrying perpendicular rays from two or more sides of the object to picture planes generally at right angles to each other, collectively the views on these planes must describe the object completely. We assume in this case that parallel […]
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Orthographic Writing TOPICS Views selection Alignment of views Orthographic writing steps Basic dimensioning Tagency and intersections View Selection VIEW SELECTION STEPS Orient the object to the best position relative to a glass box. Select the front view. Select adjacent views. The object should be placed in its natural position. The object should presents its features in actual size and shape in orthographic
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TOPICS Object representation Multiview projection Glass box concept Orthographic projection of point, line, plane, surface and object. Line convention OBJECT REPRESENTATION Axonometric projection Multiview projection MULTIVIEW PROJECTION Three principle dimensions of an object … … can be presented only two in each view. Length Adjacent view(s) is needed to fulfill the size dREPRESENTATION OF AN OBJECT Revolve the object with respect to observer.
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