Set those parameters in the material definition. When using CD textures be carefull of tiling effects. This is one of the dead giveaways that CGI produces. Extreme uses of bumps is also a giveaway. There are a million more things that you can do, but I do not have the time to explain them all.
Experience shows that success is due less to ability than to zeal.
The winner is he who gives himself to his work body and soul. Experience shows that success is due less to ability than to zeal. The winner is he who gives himself to his work body and soul.