http://hypercosm.com/
You can export sketchup model to html and view sketchup model in IE.

Thank you Pilou and guzman.
I have played Topmod all day, it's very cool stuff, and I rendered in hypershot.

try to use screw_21.rb, It's very quickly to make spiraling tower.

The tree I made last night in photoshop.

1. Click "Start" > "Run."
2. Type "cmd" in the Open box and click "OK."
3. Navigate to the SketchUp directory, which is typically located at C:\Program Files\Google\Google SketchUp 6\
4. Type "regsvr32 thumbsup.dll" without quotes and hit Enter.

awsome