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2. AutoCAD version history - Wikipedia

   en.wikipedia.org/wiki/AutoCAD_version_history

   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. AutoCAD opens documents with DWG compatibility as a "DWG file format ...

3. 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.

4. History of CAD software - Wikipedia

   en.wikipedia.org/wiki/History_of_CAD_software

   3D rendering of a car in CAD software with boundary representation. Also important to the development of CAD was the development in the late 1980s and early 1990s of B-rep solid modeling kernels (engines for manipulating geometrically and topologically consistent 3D objects), Parasolid (ShapeData), and ACIS (Spatial Technology Inc.). These ...

5. Comparison of 3D computer graphics software - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_3D_computer...

   2D/3D toon Animation, Lighting, Modeling, Node based Material Creation / Texturing / 3D Texture Painting/ UV Mapping, Rendering (Internal, External, 3D Anaglyph and VR), 3D Rigging and Animation, Sculpting, Visual 3D Effects, Basic Post-Production Video Editing, Motion Tracking, Python Scripting, Fluid Simulation, Particles, Physics, Compositing

6. ISO 10303-21 - Wikipedia

   en.wikipedia.org/wiki/ISO_10303-21

   ISO 10303-21. STEP-file is a widely used [ 1] data exchange form of STEP. ISO 10303 can represent 3D objects in computer-aided design (CAD) and related information. Due to its ASCII structure, a STEP-file is easy to read, with typically one instance per line. The format of a STEP-file is defined in ISO 10303-21 Clear Text Encoding of the ...

7. Barking dog saves life of owner with dementia after days in ...

   www.aol.com/news/barking-dog-saves-life-owner...

   The pair was searching nearby cabins the woman might have passed when they heard a dog barking at around 3:30 a.m., the post said. They shifted focus of the search toward the area of the barking ...

8. Computer-aided design - Wikipedia

   en.wikipedia.org/wiki/Computer-aided_design

   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 create a database for ...

9. Engineering drawing abbreviations and symbols - Wikipedia

   en.wikipedia.org/wiki/Engineering_drawing...

   In a feature control frame ( FCF ), the ⌀ symbol tells you that the tolerance zone for the geometric tolerance is cylindrical. Abbreviations for "diameter" include ⌀, DIA, and D. D. diameter; delta. Abbreviations for "diameter" include ⌀, DIA, and D. For delta usage, see for example "delta notes". DIA[ 2] diameter.