as a head's up re" .dae...trueSpace, the 3D app MSnot® bought and killed development on is available for free and handles ..dae as well I believe. As long as you are only using it as a format converter it should be fairly easy to use, but it's interface confuses me more than Bryce did at the start.. ...

 

Once in a while I look around,
I see a sound
and try to write it down
Sometimes they come out very soft
Tinkling light sound
The Sun comes up again