This is a test scene for UnityTools/exporter.
Warning! This repsitory uses submodules.
To get the code for the submodule, run git submodule update --init from within project directory, once the repository is cloned.
Alternatively you could try downloading UnityTools and copying contents into "Assets/UnityTools" folder.
To export test content, open project in unity, right click on "SceneRoot" node, and select "SceneExport->Export current objects".