It has taken me a long, i mean a VERY long time to figure this process out.
Google acquired a project a while back called "Sketchup". Its a very rudimentary/powerful 3d modeling tools. Its the way in which Google is populating the digital globe they own "Google Earth" with 3d models of most of the major cities of the world.
Anyhow, Anyone can get it, cause its free, and anyone can model with it, and many do. People have been modeling all sorts of things with it for a long long long time, and some are very very good at it. Everything about it is free.
We've got this high-fangled carving machine and we have all these models. I know your thinking what i am thinking...
Why not build your next pinewood derby car on this thing? Why not, you ask? Thats what i said.
So here are my top three picks for vehicle models.