Computer aided design (CAD) is a software-based design process used by professionals to create engineering drawings. It requires specific training and can be expensive, but cheaper versions are available. 3D CAD programs are preferred by architects and engineers for their advanced features. CAD systems can run on any computer with the proper parts and equipment.
Computer aided design is a creative design process that is based on a computer system. It can be hardware or software based; however, it is usually a software-based program used for design purposes. This design process uses computer technology to assist certain types of professionals in designing and drawing engineering drawings. It is also called CAD or Computer Aided Drawing.
Many professionals use computer aided design in the day-to-day operations of their business and most of these people are specially trained. Design and drawing programs can be difficult to use, and people can’t just log into a program and start drawing. Users must become familiar with certain mathematical equations and tools. Without specific training on the basics of the program, precise technical drawings are not possible.
Most computer aided design programs are expensive to purchase; however, cheap or free versions are also available on the retail market today. However, inexpensive or free CAD programs have drawbacks, including a lack of drawing tools and features available to users. That’s why so many people spend a great deal of money on the right design programs for their business.
Drawing and computer-aided drafting programs come in two main forms: 2D and 3D. 3D programs are often more advanced than their 2D counterparts. Both architects and engineers, the two professions that use computer drawing programs the most, generally prefer the 3D option. 3D provides additional details in the design that are not available in 2D versions. For example, in 3D CAD programs, designs can be viewed from any angle, and measurements and other specifications can be changed with the touch of a button.
Some early CAD systems had to run on specific computers; however, today they can run on any computer properly outfitted with the proper parts. Computers running these programs need a high-quality graphics card, a good mouse, and a light pen or tablet for digitizing. These computers also need to be paired with a special printer or plotter for best results.
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