WebGL

Thanks to the people at p3d.in, a free web viewer is finally available to showcase up to 100MB of
 your 3D creations, with a --very sophisticated-- transparent background. This is one development
 which has been a long time, coming!

This feature requires a WebGL-capable browser such as Firefox 4+
so, if you are an Explorer user, seriously, please remember that if
T. Rex ever comes back to eat us, the rest of us don't have to run.
We just have to go faster than you.
Even if it just means rolling on the floor.
Which, we probably will be.
If you know what I mean.

The four models you see below total approximately 30MB and can be zoomed, panned and orbited.