Material in Cycles Demo - it was requested by a guy who watched one of my tutorias in Portuguese at:
https://sites.google.com/site/tutblenderbr/
My website (English):
http://cglabs.ca
Credits:
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Inspired in the picture from:
Peter Utinek - ironman helmet
http://cgcookie.com/blender/images/ironman-helmet/
Model:
from user: The Genesis - Production
http://www.blendswap.com/blends/view/4527
render time with GTX 770M:
2000 samples: 47 minutes.
800 samples: 9:45 (sample picture).
Thanks Don, what the requester was looking for was a match for the "inspired" picture (see Credits). He now can easily change the png mask I created to add more scratches and do the same for the red parts. Thanks for your advice anyways as it may make it better.
very awesome only thing I could suggest is mabye make it a little more glossy or even use Anisotropic BSD.