Extract An AutoCAD Civil 3D Surface Border To a 3D Polyline
In this AutoCAD Civil 3D for Land Surveyors Video, you’ll learn how to extract an AutoCAD Civil 3D Surface Border.
[youtube http://www.youtube.com/watch?v=w3Qyl6h7zx4&rel=0]
As mentioned in the video, you can also enter _AeccSurfaceExtractObjects at the command line.