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CAD tip CAD tip # 5454:

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Smoothness of 3D models exported to 3D DWF files is controlled (since AutoCAD 2007) by the 3DDWFPREC variable.

Higher values set smoother round bodies, lower values make facetted, edgy models. The default value of 3DDWFPREC is 2, the maximum is 6. The setting influences also the size of resulting DWF output files and the viewing performance (slow/fast) of the DWF viewer.

DWFACAD2007
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7.3.2007   7389×  
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this tip shared by ARKANCE experts applies to: DWF/Design Review · AutoCAD 2007 ·

See also:
Tip 14833:CAD formats supported in Autodesk VRED 2026.
Tip 14472:Overview of CAD formats supported in Inventor 2026 (import/export/AnyCAD).
Tip 14075:Overview of CAD formats supported in Inventor 2025 (import/export/AnyCAD).
Tip 12325:How to display a DWG from Advance Steel including AS objects? (AST viewer)
Tip 12184:Overview of CAD formats supported in Inventor 2020 (import/export/AnyCAD).
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