Shapeways is your, costly, friend.*
http://www.shapeways.com/shops/madaboutcars
Start there. There are other vendors.
*Some painting required.
Have you looked here.......
http://nscalevehicles.org/resources.php
Cheers, the Bear.
"One difference between pessimists and optimists is that while pessimists are more often right, optimists have far more fun."
Hey, All.
I seem to have trouble finding modern era vehicles in Nscale, ie, cars trucks, SUV's towing travel trailers etc, is there a website that would help??
Take Care, Happy Modelrailroading,
Trainsrme1