A CAD, or computer-aided design, program is a piece of software that allows people who design, draft, and build projects to generate 2D, 2.5D, or 3D models before they commence work. AutoCAD is a specific piece of software created by Autodesk that incorporates CAD principles and technology into its features and functions. Many different types of professionals, including architects, civil engineers, and interior designers, can use both AutoCAD and other CAD programs to create models of structures and items. How these programs are used can be influenced by the industry to which a professional belongs.
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