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CAD tip CAD tip # 8056:

Question

CAD 
 %  platform  category 
A
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    17357×  
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applies to: 123D ·

See also:
Tip 14526:How to export geometry from AutoCAD DWGs to JSON files and import it back?
Tip 14472:Overview of CAD formats supported in Inventor 2026 (import/export/AnyCAD).
Tip 14367:What CAD formats are supported in the free Personal (hobby) license of Autodesk Fusion?
Tip 14349:12 free material texture libraries for PBR rendering.
Tip 14347:PDFIMPORT - No objects were imported.
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