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CAD tip CAD tip # 9739:

Question CAD 
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Q - question

Size of a saved DWG file grows unexpectedly.

A - answer If your DWG file size increases a lot (compared to the originally opened file) when saved from AutoCAD (2012, 2013 or 2014) - up to multiples of the original size - it is most probably caused be processing of complex linetypes from a DGN file. Aply the DGN Hotfix - - and then run the DGNPURGE command.

Other causes of smaller increases of the DWG file size:

  • Setting an older version of the DWG file format as the default (e.g. DWG2000 in AutoCAD 2014) - see Options
  • Processing AEC objects - try the command -EXPORTTOAUTOCAD
  • Processing other proxy objects - see SAVEFIDELITY
  • Saving thumbnails in high resolution - lower THUMBSIZE (see the tip 8754)
  • The incremental save mechanism - see ISAVEPERCENT
  • Anonymous objects - perform PURGE (or see tip 9553)
  • The original drawing file is not in the genuine DWG format
100% *  CAD 
17.3.2014    7938×  
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See also:
Tip 11726:Loading 3D models in the OBJ file format to AutoCAD.
Tip 11502:How to detect DWG files created as an export from Autodesk Revit?
Tip 11492:Adding selected numbers in drawing texts - counting numbers (GrSelNum).
Tip 11469:Why you should not use the DEFPOINTS layer to draw geometry?
Tip 11256:Making Civil3D DWG files smaller for archiving and e-mail posting.

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