Yup that's exactly what I mean! I found a good reference site:
http://www.pmel.noaa.gov/vents/nemo/explorer/concepts/pillows.html

There's an awesome video at the bottom of that page, makes me wish I was 
doing an animation!

-- 
Tek
http://evilsuperbrain.com

"Marc Jacquier" <jac### [at] wanadoofr> wrote in message 
news:43de87b7@news.povray.org...
>

> news:43ddf200@news.povray.org...
>> I think Tek intents that kind of cushion lava
> Pillow should be better than cushion.
>
> Marc
>
>

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