# Grant Warwick- Mastering Vray: Material Ideas Needed.

**URL:** <https://forums.chaos.com/t/grant-warwick-mastering-vray-material-ideas-needed/44879>\
**Category:** General\
**Created:** [April 13, 2013, 3:42pm UTC](https://forums.chaos.com/t/grant-warwick-mastering-vray-material-ideas-needed/44879 "2013-04-13T15:42:39Z")\
**Posts on this page:** 1\
**Showing post:** 21

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**Author:** ![grantwarwick](https://avatars.discourse-cdn.com/v4/letter/g/77aa72/32.png) [@grantwarwick](https://forums.chaos.com/u/grantwarwick)\
**Post date:** [April 16, 2013, 6:41pm UTC](https://forums.chaos.com/t/grant-warwick-mastering-vray-material-ideas-needed/44879/21 "2013-04-16T18:41:23Z")

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> [@Slave returning different values in render](https://forums.chaos.com/t/slave-returning-different-values-in-render/37144/6):
>
> There was a short thread on the maya side of the forum were they were building a great looking reflective material with very viable micro scratches. you might want to do a search but here is one of their results. Naturally its tricky o get that fine of detail to resolve without it getting lost in the sampling.
> 
> Heres one I just snapped
> 
> Also I’m not sure of a non programmatic approach but i.e. bdrf/cook torrance but id love to have a list of metals based on tabular reflectance data. I have a copper, nickle and steel based on said data but a more comprehensive lib would be nice. I really need to get into the sdk.
> 
> Thanks!
> 
> -Michael

Vray for max definitely needs a cook-torrence model!  
Some very cool tests there indeed.

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