What advantages do CAD sketches have over freehand sketches?


Quick Answer

CAD drawing offers many advantages over freehand sketching, including speed, efficiency, greater ability to adjust a drawing and a sleeker, more refined drawing. CAD stands for Computer Aided Design, and is used by many engineers and industrial designers.

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What advantages do CAD sketches have over freehand sketches?
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Full Answer

Although many experts in the industry believe that freehand sketching allows for a more complete, flowing and integrated vision of a final product, in recent years more and more designers have begun using digital technology to make technical drawings.

The advantages of CAD drawing over sketching out designs by hand are primarily related to saving time. A technical drawing of a product can, for example, take the designer 4 hours to freehand. By contrast, the same drawing can be finished by CAD in about 1.5 hours.

Another added convenience of digital drawing tools is the ability to make adjustments to a sketch. CAD software programs allow these changes to be made without having to start from the beginning. Because the product design process goes through many steps and involves numerous adjustments, CAD software can save hours of time.

Additionally, CAD drawing offers a sharper, sleeker final design. Although many designers start their work using freehand sketching, they draw the final version in CAD. This combined use is a highly recommended approach, integrating the advantages of both techniques.

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