This is something that model railroad companies should consider getting to assist in creating more accurate models from prototypes that still exist.
https://www.zcorp.com/Products/3D-Scanners/ZScanner-700-PX/spage.aspx (https://www.zcorp.com/Products/3D-Scanners/ZScanner-700-PX/spage.aspx)
I have no interest in this company, I received an announcement from Zcorp earlier today.
Just think of the model that could be done of N&W 475 (4-8-0) ;D
Nigel - I couldn't agree with you more...a 3-D scanner (and printer) would be fantastic for model making in the industry. Check out Jay Leno at:
http://www.youtube.com/watch?v=ggvzcGdZsTc
These machines absolutely amaze me!
Ray