- CAD means Computer Aided Design,CAD files contain 2D or 3D designs.
- Those designs are generated by the CAD software.
- So, if we want to share our file(which contains our design) we can share so that designers, developers can see.
- So, there are many CAD file extensions.
- DWG(Drawing)
- DWF(Design Web Form)
- STL(STereoLithography)
- DXF(Drawing Exchange Format)
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Mostly used CAD file extensions are
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1.A DWG file format is used to store 2D and 3D design data and metadata.
2.DWG is a native format for several CAD packages including Draftsight, AutoCAD, IntelliCAD, Open Design Alliance Compliant applications.
3.The .bak(drawing backup), .dws(drawing standards), .dwt(drawing template) files are also DNG files.
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1.DWF is a secure file format developed by Autodesk for the efficient distribution and communication of rich design data.
2.Anyone who needs to view,review, or print design files.
3.Because DWF files are highly compressed, they are smaller and faster to transmit than design files.
4.DWFs strengths over alternatives that the files have high mathematical precision and contain meta-data for sheets.
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1.STL is a file format native to the stereolithography CAD software created by 3D systems.
2.This file format is supported by many other software packages.it is widely used for rapid prototyping, 3D printing and Computer-aided manufacturing.
3.STL files describe only the surface geometry of a 3D object without any representation of color, texture or other common CAD model attributes.
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1.DXF is a CAD data file format developed by Autodesk.
2.For enabling data interoperability between AutoCAD and other programs.
3.DXF has become less usefull. Certain object types including ACIS solids and regions.
4.DXF coordinates are always without dimensions so that the reader or user needs to know the drawing unit or has to extract it from the textual comments in the sheets
