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CAD Full Form

Last Updated : 25 Aug, 2023
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What is the Full form of CAD?

The full form of CAD is Computer-Aided Design. Computer-Aided Design (CAD) is a high-tech tool used by architects, engineers, drafters, and artists to create designs and technical drawings in 2D and 3D. It’s a mix of hardware and software that makes designing and producing things easier.

Before a product is ever created, it is possible to digitally develop 2D drawings and 3D models of it by using computer-aided design (CAD). By making designs simple to share, review, simulate, and edit using 3D CAD, you can quickly bring new, unique items to market.

What is CAD?

CAD stands for Computer-Aided Design, which is also referred to as computer-aided drafting. It is a technology used to create and design the layout of physical components in manufactured products. CAD allows designers to work with two-dimensional or three-dimensional space, as well as curves, surfaces, and solids.


CAD software for mechanical design uses vector-based graphics to depict the objects of traditional drafting. CAD (computer-aided design) software is used by architects, engineers, drafters, artists, and others to create precision drawings or technical illustrations.

History of CAD

There are two significant milestones in the development of CAD technology.

  1. The first major innovation in CAD technology occurred in 1963 when Ivan Sutherland created Sketchpad, a GUI-based system for generating x-y plots, as part of his PhD thesis at MIT.
  2. The second milestone was the founding of MCS (Manufacturing and Consulting Services, Inc.) in 1971 by P.J. Haranty, who introduced the CAD software ADAM (Automated Drafting And Machining).

CAD Software/Tools

Designers and engineers can use a variety of CAD tools. Some CAD tools, like those used in industrial design or architecture, are made to match particular use cases and industries. Various CAD software applications software can be supported by the usage of other industries. Below are some commonly used CAD tools.

Characteristics of CAD

  • Efficiency: Efficient software is that which can use fewer resources to give a better output.
  • Simplicity: Software must be easy to understand, simple to use and must be user friendly.
  • Flexibility: The software must be able to integrate the design modification without much difficulty.
  • Readability: This provides the capability within the software to help the user as and when required.
  • Portability: The software must have the capacity to get transferred from one system to another.
  • Recover ability: Good software must be able to give warnings before crashing and must be able to recover.

Applications of CAD

Here are some examples of how CAD is used in various industries or domains:

  • 3D printing: Three-dimensional printing is a method for turning a digital model into a three-dimensional, physical thing. It is done by employing an additive approach that entails successively stacking layers of material, usually thermoplastic. Each layer, which is thinly cut, is a horizontal cross-section of the final item.
  • Dental industry: CAD technology is currently one of the greatest technologies for aiding in the design and manufacture of components connected to dental care. This digital technology is almost exclusively used in restorative dentistry operations since it can give a 3D depiction of the patient’s oral anatomy.
  • Mapping: Custom maps can help people avoid getting lost in a cell service dead zone, which renders useful maps useless when exploring uncharted territory. If users travel, for example, to the mountains or somewhere else, they can add areas of interest, their lodging, and the routes they take to get there to create a personalized map. With CAD, one may maintain the digital format by printing it or storing it in a smart device.
  • Fashion: The first step in the design process for fashion designers is to use 2D CAD software. The fashion design industry can benefit from CAD in a variety of ways, from mass-market to high couture. Fashion designers, garment manufacturers, export businesses, etc. all rely on CAD software because of their functions like pattern development, virtual test fitting, pattern grading, marker generation, etc.
  • Architecture: CAD can be used to create 2D or 3D models, which can then be utilized to create animations and other presentational materials. Technical drawings convey comprehensive instructions on how to create something. Using CAD, technical drawings might incorporate designs for mechanical engineering and architectural constructions.
  • Interior design: CAD may be used to create room layout plans and mockups. The software makes it far easier than by hand to create a 2D or 3D model mockup of any physical location. As they work with a customer to establish the overall positioning of significant furniture or fixtures, the majority will start with a 2D layout.

Advantages of CAD

Here are the key benefits of CAD software:

  • Save Time: Utilizing computer-aided design tools will help you save time and create better, more effective designs in a shorter amount of time.
  • Easy to edit: When creating designs, you sometimes need to make changes. It will be considerably simpler to make modifications when utilizing computer-aided design software because you can easily correct mistakes and edit the drawings.
  • Reduction in error percentage: Because CAD software uses some of the best tools, it considerably lowers the percentage of errors that result from manual designing.
  • Decrease design effort: In terms of the work required to design the various models, there has been reduced design effort because the software automates most of the tasks.
  • Code re-use: code can be reused multiple times again and again. As the entire task is carried out with the help of computer tools, it removes the problem of duplication of labour.

Disadvantages of CAD

  • When computers break down suddenly, work may be lost.
  • Work viruses are common.
  • Work could easily be “hacked”.
  • The process of learning how to use or execute the software is time-consuming.
  • Most popular CAD software is high priced for individuals.
  • Training the employees who will work on it will take time and money.
  • constant updating of operating systems or software.
  • CAD/CAM systems reduce the need for employees.
  • Software Complexity.
  • Maintenance and Upkeep.
  • With every new release of CAD software, the operator has to update their skills.


1. What is CAD Output?

When designs are created or modified using computer-aided design software, the output is known as CAD output. Electronic files requiring printing, machining, or other manufacturing processes are frequently the CAD output. Information about materials, procedures, measurements, and tolerances must be communicated in CAD output.

2. What are the types of CAD?

There are mainly four types of CAD.

  • Using geometrical figures and curves, flat drawings are produced using 2-D CAD.
  • Designs in three dimensions that may be rotated across various planes are created using 3-D CAD.
  • The designers employ 3-D Wireframe and Surface modeling to create the various wireframe patterns and 3-D structure components.
  • The 2-D or 3-D wireframe constructions can be enhanced with properties like grain, density, weight, and volume using solid modeling software.

3. Who developed and designed CAD?

Ivan Sutherland created Sketchpad, the first true CAD program, in the 1960s as part of his PhD thesis while attending MIT (Massachusetts Institute of Technology). Because the designer communicated graphically a light pen to draw on the computer’s monitor with Sketchpad’s CAD software.

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