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2. FreeCAD - Wikipedia

   en.wikipedia.org/wiki/FreeCAD

   FreeCAD is a general-purpose parametric 3D computer-aided design (CAD) modeler and a building information modeling (BIM) software application with finite element method (FEM) support. [2] It is intended for mechanical engineering product design but also expands to a wider range of uses around engineering, such as architecture or electrical ...

3. LibreCAD - Wikipedia

   en.wikipedia.org/wiki/LibreCAD

   LibreCAD is a computer-aided design (CAD) application for 2D design. It is free and open-source, and available for Unix/Linux, macOS, and Windows operating systems.. Most of the interface and handle concepts are analogous to AutoCAD, making it easier to use for users with experience in this type of commercial CAD application.

4. List of free and open-source software packages - Wikipedia

   en.wikipedia.org/wiki/List_of_free_and_open...

   SolveSpace – 2D and 3D CAD, constraint-based parametric modeler with simple mechanical simulation abilities. BRL-CAD – a constructive solid geometry (CSG) solid modeling computer-aided design (CAD) system. OpenSCAD – A scripting based 3D CAD software. Open Cascade Technology (OCCT) – a CAD kernel for 3D CAD, CAM, CAE, etc. Blender; Wings 3D

5. Computer-aided design - Wikipedia

   en.wikipedia.org/wiki/Computer-aided_design

   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 create a database for manufacturing. [1 ...

6. History of CAD software - Wikipedia

   en.wikipedia.org/wiki/History_of_CAD_software

   History of CAD software. Computer-aided design is the use of computers to aid in the creation, modification, analysis, or optimization of a design. Designers have used computers for calculations since their invention. [1][2][3][4] CAD software was popularized and innovated in the 1960s, although various developments were made between the mid ...

7. 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.