Google supports 3D models with and without textures, and extruded 2.5D building footprints without textures. The supported formats are:
- 3D textured - .skp, .kmz (.kml + .dae)
- 3D non-textured - .shp, .skp, .kmz (.kml + .dae)
- 2.5D non-textured - .shp, .csv, .kmz (.kml + .dae)