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CAD tip CAD tip # 7093:

Question CAD 
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Q - question

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

A - answer 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
100% *  CAD 
2.12.2009    31449×  

See also:
Tip 12749:Generate parametric mathematical 3D surfaces (meshes) in Fusion 360.
Tip 12710:Boolean subtraction of 3D mesh objects in Meshmixer.
Tip 12237:UnfoldRS - unfold 3D surfaces to 2D in AutoCAD.
Tip 12233:How to compare two 3D mesh models and find differences/changes?
Tip 12184:Overview of CAD formats supported in Inventor 2020 (import/export/AnyCAD).


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