¿Cómo mejorar el renderizado de un modelo 3D del tren R-160?

This is a r160 train model, y try todo make a god render but i think it does not works, chek it out.

https://www.foro3d.com/images/upload.../2012/12/2.jpg

More details in:http://modellingyourdreams.wordpress...-160/#more-318.