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Computer-Aided Design in the 21st Century

CAD is a crucial part of the product life cycle management for a broad range of industrial, technical and manufacturing industries. At its core it is the creation of a visual representation of a given product or object. CAD is critical in modern drafting and modeling, not just because of the high quality creations users can make but it significantly lowers product development costs and saves a substantial amount of time.

The list of occupations requiring CAD is very long. Much of this is due to the fact that CAD has such a broad range of uses, from creating 2-D and 3-D concept drawings for visualizing machinery, structures and objects to building clean, professional 3-D animation. Those professions using CAD most commonly are:

  • Architects
  • Industrial Designers
  • Graphic Designers
  • Engineers

Training in CAD: 2-D Systems and 3-D Solid Modeling

There are a variety of types of CAD, all utilizing different tools and structures to enable design. The largest division in CAD programs is between 2-D and 3-D design systems. Much like their 2-D counterparts, 3-D CAD courses are generally classified by level of difficulty. Introductory CAD training courses will instruct learners in a variety of basic CAD skills, including:

  • Building templates
  • Utilizing symbols and symbol libraries
  • Drawing tools: polylines, layers, snaps, arcs, polygons, etc.
  • Adjusting and customizing personal layout

Building off of the drawing tools is usually described in introductory level CAD training courses, where advanced programs in 2-D CAD are intended to guide learners through creating more complex drafts, often outlining time-saving techniques as well as methods for scaling and presenting designs.

Topics Covered in Advanced Courses in 2-D CAD

Solid Modeling

Solid modeling is the development of objects described in three dimensions. It is different from other types of modeling in that it focuses on the creation of tangible, 3-D objects. Software programs in solid modeling allow users to automate complicated equations necessary to the given objects creation. Intermediate and advanced CAD training courses that cover solid modeling generally require learners to have at least a base understanding of 3-D design and guide learners through detailing drawings and the necessary validation and documentation processes.


While there are a multitude of different CAD software programs the most commonly used has to be the Autodesk program, AutoCAD. Currently in its 30th version, AutoCAD is used worldwide and is available on a number of different operating systems and platforms, including Linux, Android, Microsoft Windows and Mac OS. Much of the programs consistent popularity and success can be attributed to its broad capacities. Professional development CAD training in AutoCAD is usually dissected into purpose and skill level. Generally, AutoCAD courses guide users through a wide range of skills, including:

  • Creating complex solids
  • Modifying 3-D objects
  • Converting objects
  • Adjusting view angles
  • Animations

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