Create and export closed polyhedron on Earth's surfaces
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Using posts on these forums, as well as plugins such as TriangulateFaces, I have been able to generate simple polyhedra and visualize them in Google Earth.

This is almost what I need. I have two remaining steps for which I'm hoping to find convenient answers:
- I would like to be able to set the base of my polygon to follow terrain contour, so that the base is a constant height about the ground.
- I want to export the model model as a group of faces with vertex coordinates in lat-lon-alt tuples, ideally as a KML file. Currently, the model that is exported to Google Earth is a KML file containing only a placemark anchor, with the faces and vertices being placed into a secondary DAE file using machine coordinates.
Anyone have tips for accomplishing (1) and (2)?
EDIT: http://sketchucation.com/forums/viewtopic.php?f=323&t=38009 seems to solve #2.
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