A friend send this to me: Nscale 3D printed vehicles from period I.
http://railnscale.wordpress.com/ (http://railnscale.wordpress.com/)
See also : https://www.shapeways.com/shops/rail-n-scale (https://www.shapeways.com/shops/rail-n-scale)
Jacq
Now that's a pretty nifty idea!