06PICT

06PICT - Pictorial Drawings Projection Systems Axonometric...

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Pictorial Drawings
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Projection Systems
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Axonometric Projections
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Step by Step: Isometric Sketching
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Isometric Projection vs. Sketch Isometric projections are foreshortened because the object is tipped with respect to the viewing plane. Isometric sketches are not usually foreshortened because they still appear proportionate when showing the dimensions full size along isometric axis lines. It is easier just to sketch the full dimension.
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Locating Features To locate a feature such as the upper block, make measurements from an existing corner as shown here.
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Inclined Surfaces in Isometric Inclined surfaces can not be measured along inclined lines in an isometric sketch. To locate inclined surfaces you must make measurements along the isometric axis lines.
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Circles in Isometric Circles appear as ellispses when drawn in an isometric sketch. To sketch an isometric circle, locate the center and then sketch the box that would enclose the circular shape. Draw the ellipse tangent to the lines of the box.
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This note was uploaded on 05/03/2008 for the course CM 1030 taught by Professor Karla? during the Spring '06 term at LSU.

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06PICT - Pictorial Drawings Projection Systems Axonometric...

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