3D models, such as the many free models from NASA at http://nasa3d.arc.nasa.gov/models can be converted to FBX format – using for example the Autodesk FBX Converter –
Here is an example of the simple International Space Station (ISS) mesh served from http://vue.ed.ac.uk/hifi/fbx/skydome/skydome.fbx and placed at 100,1000,100 on the hifi.aiai.ed.ac.uk domain at location:
The Earth below is actually a skydome served from http://vue.ed.ac.uk/hifi/fbx/iss/iss.fbx
Now where is that space helmet?
Also posted in HiFi Alphas Forum at