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  2. AutoCAD - Wikipedia

    en.wikipedia.org/wiki/AutoCAD

    AutoCAD's native file formats are denoted either by a .dwg, .dwt, .dws, or .dxf filename extension. .dwg and, to a lesser extent, .dxf, have become de facto, if proprietary, standards for CAD data interoperability, particularly for 2D drawing exchange. [31] The primary file format for 2D and 3D drawing files created with AutoCAD is .dwg.

  3. AutoLISP - Wikipedia

    en.wikipedia.org/wiki/AutoLISP

    The user, upon typing 'pointlabel' at the AutoCAD command line, would be prompted to pick a point, either by typing the X and Y coordinates, or clicking a location in the drawing. The function would then place a marker at that point, and create a one-line text object next to it, containing the X and Y coordinates of the point expressed relative ...

  4. Geometric constraint solving - Wikipedia

    en.wikipedia.org/wiki/Geometric_constraint_solving

    The goal is to find the positions of geometric elements in 2D or 3D space that satisfy the given constraints, [2] which is done by dedicated software components called geometric constraint solvers. Geometric constraint solving became an integral part of CAD systems in the 80s, when Pro/Engineer first introduced a novel concept of feature-based ...

  5. Computer-aided design - Wikipedia

    en.wikipedia.org/wiki/Computer-aided_design

    A 2D CAD drawing A 3D CAD model Computer-aided design ( CAD ) is the use of computers (or workstations ) to aid in the creation, modification, analysis, or optimization of a design . [ 1 ] : 3 This software is used to increase the productivity of the designer, improve the quality of design, improve communications through documentation, and to ...

  6. Technical drawing - Wikipedia

    en.wikipedia.org/wiki/Technical_drawing

    There are two types of computer-aided design systems used for the production of technical drawings: two dimensions ("2D") and three dimensions ("3D"). An example of a drawing drafted in AutoCAD. 2D CAD systems such as AutoCAD or MicroStation replace the paper drawing discipline. The lines, circles, arcs, and curves are created within the software.

  7. BricsCAD - Wikipedia

    en.wikipedia.org/wiki/BricsCAD

    Communicator for BricsCAD is an add-on that imports and exports 3D CAD data (geometry & Product Manufacturing Information [PMI]) for data exchange with major Mechanical CAD programs (e.g. CATIA, PTC Creo, Solid Edge, NX/UG, SolidWorks and Autodesk Inventor) and several industry-standard neutral file formats.

  8. SolveSpace - Wikipedia

    en.wikipedia.org/wiki/SolveSpace

    SolveSpace is a free and open-source 2D/3D constraint-based parametric computer-aided design (CAD) software that supports basic 2D and 3D constructive solid geometry modeling. It is a constraint-based parametric modeler with simple mechanical simulation capabilities. Version 2.1 and onward runs on Windows, Linux and macOS.

  9. AutoCAD DXF - Wikipedia

    en.wikipedia.org/wiki/AutoCAD_DXF

    AutoCAD DXF (Drawing Interchange Format, or Drawing Exchange Format) is a CAD data file format developed by Autodesk [2] for enabling data interoperability between ...

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