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AutoCAD is a CAD (Computer Aided Design) software for 2D and 3D design and drafting, developed and sold by Autodesk, Inc. Initially released in late 1982, AutoCAD is one of the first CAD programs to run on computers personal, including the IBM PC. Most CAD software on both graphics terminals connected to mainframe computers or mini-computers.
AutoCAD LT is a version of AutoCAD with more limited capabilities. It costs less (approx. US$1200 versus around US$4,000 for the full AutoCAD). Besides being sold directly by Autodesk, it is also available for purchase at computer stores, unlike full AutoCAD which has to be purchased from an official Autodesk dealer. It was developed so Autodesk could have an entry-level CAD package available to compete in that price class. AutoCAD LT is marketed as a CAD package for those who only need 2D functionality.
Compared to the full edition of AutoCAD, AutoCAD LT lacks several features: most notably, it has no 3D modeling capabilities (although it has a full suite of 3D viewing functions for looking at 3D models created in other CAD packages) and does not include any programming interfaces, such as support for most third party programs and does not support AutoLISP programs. A full listing of differences is on the Autodesk website. AutoCAD LT originated by taking the codebase of AutoCAD and commenting out substantial portions, which allowed AutoCAD and AutoCAD LT to be developed simultaneously.
AutoCAD Student Versions
AutoCAD is licensed at a significant discount on the retail pricing for qualifying students and teachers, with two of 14 months and available under license. The student version of AutoCAD is functionally identical to the full retail version, with one exception: DWG files created or modified by a student have an internal bit-indicator (the "educational flag"). When such a DWG file is printed by any version of AutoCAD (commercial or student), the output will include a field buffer / banner on all four sides. The objects created in the version for students can not be used for a commercial use. These objects can student version and "infect" a commercial version if the import of DWG files.
Autodesk has also developed some vertical programs for specific discipline improvements. AutoCAD Architecture (formerly Architectural Desktop), for example, the architecture allows designers to draw 3D objects such as walls, doors and windows, with more intelligent data associated with them, rather than simple objects such as lines and circles. Data can be programmed to represent the architecture of the products sold in the construction industry, or extracted in a database of prices, materials estimation, and other values related to the object represented. Other tools enable designers to produce standard 2D drawings such as elevations and sections, from an architectural model in 3D. Similarly, design, design 3D, design, civil and professional as data-specific objects used, the standard civil engineering calculations to be made and represented easily. AutoCAD Electrical, AutoCAD Civil 3D, AutoCAD Map 3D, AutoCAD Mechanical, AutoCAD MEP, AutoCAD P & ID AutoCAD Structural Detailing and further examples of industry CAD applications built on the AutoCAD platform.
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In Mechanical CAD services it can be utilized for 2D Drafting, 3D modeling, 3D assembly, 2D - 3D sectional views.
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