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CAD tip CAD tip # 8318:

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Q - question

How to convert a 3DSolid to 3DMesh or 3DFaces?

A - answer Some types of simple 3DSOLIDs can be converted to surfaces with the CONVTOSURFACE command and then converted to 3D Meshes or 3D Faces.

But if you need to convert any general 3D solid, this method may fail. An arbitrary conversion to 3DMesh was usually accomplished using the 3DSOUT command (and possibly 3DSIN) in the older AutoCAD versions but as this command is not available anymore in the current versions, this way cannot be used either.

In AutoCAD 2011, 2012 and higher you can use the free LISP utility "CADstudio Sol2Mesh" and its commands SOL2MESH and SOL2FACES. These commands convert any 3D solid to meshes or separate 3D faces. You can download the SOL2MESH utility from and load it with APPLOAD.

100% *  CAD 
12.11.2011    7416x  
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applies to: AutoCAD 2013 · AutoCAD 2012 · AutoCAD 2011 ·

See also:
Tip 11054:Difference volume (3D solid) between two TIN surfaces (sets of coordinates)
Tip 10537:Conversion of Mesh to T-Spline fails in Fusion360.
Tip 10219:Can Autodesk Fusion 360 make use of multicore CPUs?
Tip 10102:How to simplify a complex 3D mesh model?
Tip 9711:3DConstruct - converting a 3D mesh to a frame construct

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