Material: Blade Edge

Hi

i need some help with giving a katana some materials …
I want to give the blade this shiny line … you see in all the movies … where the blade starts to get thinner

http://www.trueswords.com/images/katana_parts_blade.jpg

In the Picture it’s called Hamon (tempered line)

Any Ideas how i could do this?

Texture mapping?

Strong harsh edges are alike to knife blades and their power ought to be treated that means. Some limits are inferior than others though. Edges that are meant at the rear such since from bookshelves at the back a counter.

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