CAD Forum - How to convert a polygon or a region to 3Dfaces.
Promine AutoCAD Tips & Tricks: Convert 3D Face Into 3D Solid - YouTube
Create a polyline from the boundary of existing objects - AutoCAD Tips Blog
Solved: 3D faces to 3d polylines (or convert surface to ArcGIS .tin) - Autodesk Community - Civil 3D
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Civil 3D 2013: 2D and 3D Polyline Conversion | Ideate Inc
Helpful Settings for Plotting 3D Solids in AutoCAD | AutoCAD Tips
Criando 3DFACE e Gerando 3D Solid no AutoCAD_Aula06 - YouTube
Solved: 3D faces to 3d polylines (or convert surface to ArcGIS .tin) - Autodesk Community - Civil 3D
AutoCAD 3D Faces | Autocad 3D Tutorial For beginners | Working on 3D Faces | Lesson 54 - YouTube
CIVIL 3D Convert 3D Faces in TIN surface without calculating triangle connections - Civil3D - Dynamo
Autocad Tutorial : How to convert 3D polyline to 2d polyline - YouTube
Solved: Convert metric 3d polyline to 2d polyline - Autodesk Community - Civil 3D
3d to 2d-polylines | UrbanLISP AutoCAD Command
Solved: 3D faces to 3d polylines (or convert surface to ArcGIS .tin) - Autodesk Community - Civil 3D
3dFace to Lines - YouTube
Lisp or Net Routine for converting 3d polylines to 3d faces? - Autodesk Community - Civil 3D
How to use Smooth Object Smooth more Smooth Less & Convert to Surface in Autocad - YouTube
How to convert splines to polylines in AutoCAD | AutoCAD | Autodesk Knowledge Network
3d face - AutoCAD 3D Modelling & Rendering - AutoCAD Forums
Free Autolisp: Convert Face to Polyline
Lisp Help: Collection of AutoLisp for 3D Polyline Entities
CAD Forum - How to convert a 2D polyline to 3D or vice-versa?
Polyline3D to Surface - Civil3D - Dynamo
CAD Forum - How to convert 3D polylines to 3D surfaces?
3d to 2d polyline - YouTube
