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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    10648×  

See also:
Tip 12178:Modelling 3D knurling - e.g. knurled surface of a control knob.
Tip 12105:Select the smallest DWG object - MinOf utility.
Tip 12036:Sel2BlkRef (blockify) - replace repeating objects with block references
Tip 11914:Maze generator for AutoCAD.
Tip 11726:Loading 3D models in the OBJ file format to AutoCAD.

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