They are generated by CAD software programs, which can be used to create models or architecture plans. 2D CAD files are often referred to as drawings, while 3D files are often called models, parts, or assemblies. Common CAD file extensions include .DWG, .DXF, .DGN, and .STL.
Correspondingly, what is CAD used for?
CAD (computer-aided design) software is used by architects, engineers, drafters, artists, and others to create precision drawings or technical illustrations. CAD software can be used to create two-dimensional (2-D) drawings or three-dimensional (3-D) models.
How does a CAD work?
CAD, or computer-aided design, is a form of computer technology that assists in the drawing and technical drafting of products and even buildings. In order to generate the actual model, CAM works alongside CAD—using CAD designs, CAM uses numerical coding to run the machine that creates the product.