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2. AutoCAD - Wikipedia

   en.wikipedia.org/wiki/AutoCAD

   A man using AutoCAD 2.6 to digitize a drawing of a school building. AutoCAD was derived from a program that began in 1977, and then released in 1979 [5] called Interact CAD, [6] [7] [8] also referred to in early Autodesk documents as MicroCAD, which was written prior to Autodesk's (then Marinchip Software Partners) formation by Autodesk cofounder Michael Riddle.

3. CAD standards - Wikipedia

   en.wikipedia.org/wiki/CAD_standards

   Download as PDF; Printable version; ... In AutoCAD usually parts to be printed in black are drawn in 1 to 7 basic colors. Color layer: Green-Center, Magenta-Measure ...

4. AutoCAD version history - Wikipedia

   en.wikipedia.org/wiki/AutoCAD_version_history

   AutoCAD is a commercial computer-aided design (CAD) and drafting software application by Autodesk. The first release of the software started with version 1.0 in December 1982. [ 1 ] The software has been continuously updated since its initial release.

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.

6. .dwg - Wikipedia

   en.wikipedia.org/wiki/.dwg

   DWG (from drawing) is a proprietary [3] binary file format used for storing two- and three- dimensional design data and metadata.It is the native format for several CAD packages including DraftSight, AutoCAD, ZWCAD, IntelliCAD (and its variants), Caddie and Open Design Alliance compliant applications.

7. History of CAD software - Wikipedia

   en.wikipedia.org/wiki/History_of_CAD_software

   Availability of free and open-source CAD software and high costs of advanced and 3D CAD software may restrain the growth of the CAD software market. [25] Free and open-source CAD software packages include FreeCAD , [ 26 ] [ 27 ] [ 28 ] BRL-CAD developed for the US Army, [ 29 ] [ 30 ] QCAD Community Edition , [ 31 ] LibreCAD [ 32 ] and others.

8. John Walker (programmer) - Wikipedia

   en.wikipedia.org/wiki/John_Walker_(programmer)

   The first completed was AutoCAD, [7] a software application for computer-aided design (CAD) and drafting. [8] AutoCAD had begun life as Interact, [9] [10] a CAD program, written by programmer Michael Riddle [11] in a proprietary language. Walker and Riddle rewrote the program, and established a profit-sharing agreement for any product derived ...

9. AutoLISP - Wikipedia

   en.wikipedia.org/wiki/AutoLISP

   AutoLISP is a small, dynamically scoped, dynamically typed Lisp language dialect with garbage collection, immutable list structure, and settable symbols, lacking in such regular Lisp features as macro system, records definition facilities, arrays, functions with variable number of arguments or let bindings.