Reader
Full support for 3D models is provided. Any placemark with a <Model> geometry will result in a feature with a 3D geometry corresponding to the contents of the referenced COLLADA file.
Writer
Full support for 3D models is provided. If the feature has one or more 3D geometry components, the feature’s entire geometry will be written to a COLLADA file.
<Model> elements can also be written by placing a set of geometry traits on a Placemark feature with null geometry.