Use the _SURFACECREATE command (Civil 3D) or _CONVTONURB (Map 3D). You now have a 3D terrain model of the actual Earth.
Google Earth exports .kml . AutoCAD needs .dxf or .dwg . Use free tools like (online) or KML to DWG (third-party plugin). plugin google earth autocad
We’ve all been there. You’re starting a site plan, but the client’s survey is missing the surrounding context. The topography map looks like a spaghetti mess. Or worse—you’re working off a blank screen. Use the _SURFACECREATE command (Civil 3D) or _CONVTONURB