Computer aided design Wikipedia.Computer aided design CAD is the use of computer systems or workstations to aid in the creation, modification, analysis, or optimization of a design.CAD software is used to increase the productivity of the designer, improve the quality of design, improve communications through documentation, and to create a database for manufacturing.CAD output is often in the form of electronic files for print, machining, or other manufacturing operations.The term CADD for Computer Aided Design and Drafting is also used.Its use in designing electronic systems is known as electronic design automation, or EDA.In mechanical design it is known as mechanical design automation MDA or computer aided drafting CAD, which includes the process of creating a technical drawing with the use of computer software.CAD software for mechanical design uses either vector based graphics to depict the objects of traditional drafting, or may also produce raster graphics showing the overall appearance of designed objects.However, it involves more than just shapes.As in the manual drafting of technical and engineering drawings, the output of CAD must convey information, such as materials, processes, dimensions, and tolerances, according to application specific conventions.CAD may be used to design curves and figures in two dimensional 2.D Cad Software For Windows 7' title='3D Cad Software For Windows 7' />
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