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CAD tip CAD tip # 6710:

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Q - question

How to smooth a surface defined by individual 3DFaces?

A - answer You can smooth a surface defined by a group of 3D faces (3DFACE objects) but you have to convert it first to a 3D mesh.

If you get a series of 3D faces (terrain generator, import from another 3D software, et.c), you can convert it to a single "3D mesh" object in AutoCAD 2010. Then you can manipulate it, smooth it and interactively edit its 3D shape.

  1. First convert the selected 3D faces to individual surfaces - the CONVTOSURFACE command
  2. Then use the UNION command to join the surfaces together
  3. To retain the shape of the original faces, set the FACETERSMOOTHLEV variable to 0 (or perform this setting through the MESHOPTIONS command)
  4. And finally convert the unified surface to a 3D mesh object with the MESHSMOOTH command


See also the sample CAD video #74 (shot in the Czech version of AutoCAD 2010)
100% *  CAD 
28.5.2009    14998×  
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See also:
Tip 11769:How to convert border lines (rails) to a surface?
Tip 11654:Select 3D solids by their height, volume, surface (smaller then...)
Tip 11601:Swept surface is not displayed in my Inventor model.
Tip 11425:Contour lines on a toposurface are displayed as too thick lines.
Tip 11072:How to make an interference line from 3D Faces?

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