Is there any node to add sample line (offset [right-Left))

[hosneyalaa]

See this

Some way to add sample sources with Dynamo in Civil 3D?

Sorry, I missed the part that you wanted to add surfaces. # Load the Python Standard and DesignScript Libraries import sys import clr # Add Assemblies for AutoCAD and Civil3D clr.AddReference('AcMgd') clr.AddReference('AcCoreMgd') clr.AddReference('AcDbMgd') clr.AddReference('AecBaseMgd') clr.AddReference('AecPropDataMgd') clr.AddReference('AeccDbMgd') # Import references from AutoCAD from Autodesk.AutoCAD.Runtime import * from Autodesk.AutoCAD.ApplicationServices import * from Autodesk.AutoC…