Engineering Graphics: Unit II (a): Orthographic Projection
Arrangement of Views
Orthographic Projection | Engineering Graphics (EG)
Three views of orthographic projections are to be properly arranged to avoid misguiding and confusion in understanding the dimensions of the object.
ARRANGEMENT OF VIEWS Three views of orthographic projections are to be properly arranged to avoid misguiding and confusion in understanding the dimensions of the object. These views are to be arranged one above another (or) adjacent to each other. Consider the planes shown in Fig. 9.4 are unfolded and separated with respect to the X axis an as shown in Fig. 9.5 (i). Then keeping the vertical plane as fixed, rotate the horizontal plane in clock wise direction and rotate the profile plane in anticlockwise direction as shown in Fig. 9.5 (i) such a way that the horizontal plane is rotated to 90° clockwise to get below the vertical plane and the profile plane is rotated to 90° anticlockwise to get adjacent to the vertical plane as shown in Fig. 9.5 (ii). From the Fig. 9.5 (ii), it may be concluded that the front view and top view are arranged one above another since length is the common measurement for both the views, and front view and side view are arranged adjacent to each other since height is the common measurement for both the views. It is usual practice to start with the front view in multiview orthographic projections, by plotting both length and height measurements then the top view is projected from the front view, taking the length measurement directly from the front view and plotting the breadth measurement. Finally the side view is completed simply by projecting from front view and top view by taking height from the front view and breadth from the top view. This method of drawing the views in orthographic projections is explained below in article 9.6. Note: Three views along with three planes are shown in Fig. 9.5 (ii). But in general the reference planes (VP, HP and PP) are not shown while presenting the multiview orthographic projections. 
Engineering Graphics: Unit II (a): Orthographic Projection : Tag: : Orthographic Projection | Engineering Graphics (EG) - Arrangement of Views
Engineering Graphics: Unit II (a): Orthographic Projection
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Engineering Graphics
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