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CAD tip CAD tip # 7992:

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Q - question

What is the file format .123D?

A - answer Files with the extension .123d (and similarly .123c) are stored from the CAD application "Autodesk 123D".

Internally, these files are just 3D DWG files - so can rename them to .dwg to open them in the latest version of AutoCAD. Similar DWG files are stored from Inventor Fusion.

100% *  CAD 
19.5.2011    10048×  
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applies to: DWG · Fusion 360 · 123D ·

See also:
Tip 13513:How to quickly record a video from a CAD application or other Windows program? (replacing Screencast)
Tip 13433:How to create a parametric dynamic 3D block in AutoCAD?
Tip 13402:Which products and features can I use for free with Flex Token licensing?
Tip 13228:DWG or DXF file exported to/from Fusion 360 has incorrect size (scale, 10x larger/smaller).
Tip 13227:Reference Explorer - quick analysis of your project or assembly (file size, xref errors).

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