CAD tip # 13038:

Question CAD
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How to explode 3D faces (3DFACE) into outline polyline?

You can explode a 3D object consisting of 3D faces (3DFACE entities) into the individual 3D outlines of triangles or quadrilaterals using the LISP utility 3DF2L.

Download the .LSP file from the Download section, load it using APPLOAD and type the 3DF2L command. Select the 3D and Polyline modes. The individual outlines will consist of closed 2D polylines (LWPOLYLINE) placed in separate UCSs oriented on the surface of the 3D object. In Line mode, individual outline lines will be created. The exploded geometry will be created in the "3DF2L" layer.

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17.8.2021 8933×

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applies to: AutoCAD ·

See also:
Tip 12129:	Atypical use of meshing for tiling a closed shape.
Tip 9711:	3DConstruct - converting a 3D mesh to a frame construct
Tip 8903:	Draw normals of 3DFaces in AutoCAD DWG.
Tip 8509:	Unfold any 3D mesh into 2D planar form.
Tip 7216:	How to use 3DFACEs as a definition for terrain surface? (explode 3DFACE)

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