On 11/28/2011 03:30 AM, Thomas de Groot wrote:
> On 28-11-2011 4:15, Jim Holsenback wrote:
>> I think I've finally got a feel for RC4 sslt ... used here on the
>> interior_texture to /try/ to give an appearance of depth, played around
>> with different ior values then settled on 2.9 (porcelain) ... also tried
>> the new "albedo" feature to tune the diffuse and specular properties.
>> The radiosity didn't turn out too bad either!
>>
>> On another note ... Anyone know how to give then shell walls thickness?
>> If you're up to the challenge, I got the objects from here:
>> http://www.econym.demon.co.uk/isotut/shells.htm
>
> Very nice. Two comments.
>
> The interior is perhaps a bit too much like silver? It could maybe use
> some iridescence.
>
> The left-hand shell looks to me more like the inner cast of a fossil
> one. Are open windings like these found in living shells? Just a thought.

Thanks, great minds think alike ... after I'd posted, iridescence came 
to mind. As for the openings, the two shells (right) I've seen RL 
examples very similar ... can't say that I've seen ones like the left 
one, but thought it was interesting enough to include

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