Introducing points and surfaces in Civil 3D and ReCap Pro - Create a surface from points in Civil 3D | Autodesk

Create assembly drawings | Autodesk

Civil 3D cross-section, assembly and subassembly

Create a component within an assembly | Autodesk

Civil 3d create surface from objects (3d Faces)

Create a surface from points in Civil 3D | Autodesk

Create a surface from CAD contour data in Civil 3D | Autodesk