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ISOMETRIC
PROJECTIONS
Lecture 6
Isometric View or Projection
• The view or projection obtained on a plane when the object is so placed that all
the three axes make equal angle with the plane of projection is called an
isometric view or projection.
What is ISOMETRIC?
• “Iso” means „equal‟ and “metric projection” means „a projection to a reduced
measure‟. An isometric projection is one type of pictorial projection in which
the three dimensions of a solid are not only shown in one view, but also their
dimension can be scaled from this drawing.
The three lines AB, AD and AE are meeting at A. These edges are mutually
perpendicular to each other in the solid. Since all these edges are equally inclined
to H.P, they are making and angle of 120° with each other in the plane of
projection; also they are equally foreshortened. This leads us to the problem of
selecting an isometric scale.
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