Free smart materiel Metal from hell

Hello so i accidentlly added the roughness map in the heat map yesterday and awesome stuff started happening but it was uniform and messy but the general idea was badass so i further adjusted the material and turned it to a smart material u can get it here for free http://www.mediafire.com/file/f4m66w7jpleqw22/metal+from+hell.spsm
and watch the how to video down below i hope this help a lot of you to maake some awesome art enjoy and sorry for my bad english :)