There are specific features for 2d vector based graphics and 3d modeling of solid surfaces. Online CAD software offers different features depending on which design process you're working on. The big advantage of using CAD compared to traditional methods for designing is that it gives flexibility to manipulate and change the design in a fraction of the time. The non-commercial (home) edition is distributed free of charge and has some limitations: it does not support the. Traditionally, pen and scale were used for drafting only a 2d image of an object, but with CAD, a 3d image of any object can be drawn especially if you have such tool as free online cad viewer for this. Drawings can be exported into the DXF format. With the use of CAD it has become easy, especially for architects and engineers to design any imaginary drawing model of a building or infrastructure and to predict structural problems and find solutions even before they arise. CAD (computer-aided design) - is the use of computer systems that enables a designer to design and view anything in real time, online and with accuracy, it has become an important tool for viewing and drafting.
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