Google Earth is a geo-browser which represents the Earth as a three-dimensional globe. It is great tool to Explore Earth Imagery. On the other side CAD Package which works with UTM is more convenient to represent 2-D Drawings. Converting data available in Google earth in the form of KML File to 2 Dimensional drawing data and Vice Versa is possible with ESurvey KML.
ESurvey KML (Export) - Export your CAD Data to Google Earth readable format (KML File)
ESurvey KML (Import) - Import Places information from Google Earth KML File to your CAD Package
3D KML- Create 3D maps From 2D Drawing by inserting Respective 3D Blocks and defineing extrusion elevation for each Layer
Works with ESurvey Sections, ESurvey CAD as plugin to generate 3D Drawings and 3D KML from those softwares.
Example KMZ Output from ESurvey KML