What is an isometric drawing?


Quick Answer

An isometric drawing is a sketch that shows a three-dimensional object on a single plane. The plane is typically a sheet of paper. The purpose of an isometric drawing is to give the draftsperson a way to show how an object looks in the real world.

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What is an isometric drawing?
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Full Answer

Isometric drawings use both vertical and horizontal lines to represent an object. The vertical lines are drawn vertically without any distortion. The horizontal lines, however, are drawn at a 30-degree angle to the horizontal plane. This technique gives the viewer a clearer understanding of the object.

Some isometric drawings show the dimensions of the object. In this instance, the draftsperson indicates the real distance between two points of the object by giving the dimensions in the drawing. This method helps the viewer imagine the size of the object. To avoid confusion, the draftsman usually does not provide any redundant dimensions.

A variety of professionals use isometric drawings in their work. This includes engineers, illustrators and sometimes architects, according to the Encyclopedia Britannica. These types of drawings help professionals in certain fields provide their clients with the most accurate representations of objects such a new products or an addition to a house. Isometric drawings are also helpful to machinists in some cases.

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