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.

Thomas

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