CAD is used in the drafting and design of tools and machinery. It is more commonly used for the engineering of 3D models of physical components and used throughout the design process from conception to completion. CAD systems offer 3D solid modeling in which the objects are adjustable and any modifications are less labor intensive.

The CAD process starts with a 3D laser scan of an object. Once the object is in the computer CAD gives the dimensional measurements, a full rotatable view of the object, and a breakdown of parts (depending on the software). Most laser scanners, engineering modeling machinery, and other computer software comes already compatible with CAD, making the possibilities seem endless.

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