CAD tip # 7093:

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CAD

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How to convert a polygon or a region to 3Dfaces.

If you want cover a closed polyline or a region with a "blanket" of 3dfaces, you can use the 3D modeling functions available in AutoCAD since version 2010.

Any closed polyline or a region can be converted to a Mesh object (2D). Just use the MESHSMOOTH command. If your polyline border contains arc segments, you may want to refine the resulting mesh with the MESHREFINE command. This will increase the density of the small patches and more precisely fill in the arcs.

The mesh can be easily converted to 3d face entities (3DFACE) just by exploding - the EXPLODE command.

Mesh

You can also use similar method to convert 3Dsolids to 3Dfaces.

ACAD2012ACAD2010ADT2010

*CAD

2.12.2009 57152×

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this tip shared by ARKANCE experts applies to: AutoCAD 2012 · AutoCAD 2010 · AutoCAD Architecture 2010 ·

See also:
Tip 14711:	How to generate a random 2D or 3D point cloud in AutoCAD?
Tip 14673:	Extrude a raster image to a 3D mesh - e.g. for engraving in Fusion.
Tip 14496:	Convert scanned point clouds or photos to BIM objects - Scan-to-BIM.
Tip 14472:	Overview of CAD formats supported in Inventor 2026 (import/export/AnyCAD).
Tip 14240:	How to simplify an uneven profile imported via DXF into Autodesk Fusion?

Selected tip: Export/import of user settings in AutoCAD.

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