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CAD tip CAD tip # 8056:

   
Question CAD 
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Q - question

123D: Input string was not in a correct format.

A - answer Trying to open (import) a .OBJ scene into the Autodesk 123D application, it displays a warning sign and the error: "Input string was not in a correct format".

The problem may be in the decimal number delimiter on non-English operating systems (locale). Either change your Windows settings - set the decimal delimiter from comma (",") to point ("."), or edit your OBJ file (e.g. in Notepad) and globally replace all point characters with commas.
123D
100% *  CAD 
23.6.2011    13396×  
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applies to: 123D ·

See also:
Tip 14075:Overview of CAD formats supported in Inventor 2025 (import/export/AnyCAD).
Tip 14072:How to import an STL, OBJ or 3DS file to an AutoCAD 3D model?
Tip 13694:Individual modification of elements in AutoCAD dynamic arrays.
Tip 13692:What is the precision in Revit?
Tip 13683:Limitations of the LISP language (AutoLISP, VisualLISP) in AutoCAD LT - what to watch out for


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