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CAD tip CAD tip # 9739:

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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    5769x  
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See also:
Tip 10802:Simplifying 3D drawings by replacing repeating 3D solids with blocks.
Tip 10658:How to open a R/O DWG without the read-only warning?
Tip 10556:AutoCAD 2015 and 2016 do not allow to select paper size for Designjet T120/T520.
Tip 10544:How to highlight polyline nodes and segments?
Tip 10461:Unattended DWG plotting and PDF publishing without AutoCAD.

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