Thin will work.  I made the glass in Rhino because it makes smooth
curves and it fast to work with.  Making it thinner woulnd't be hard,
and the only reason I did the thickness is because I was going for
accuracy, which these caustics are!

Before this on I did a quick test with spatch using a thickness of one
patch and it looked great too.  That first test actually has neat
caustics because I had the light at a different distance.  I can't wait
to do an animation with a moving light, since the caustics change with
distance!

It's just too cool. :)

-Mike

Julius Klatte wrote:
> 
> I love the caustics.
> About the glass: it seems awfully thick (tough cognac glass
> I suppose?); is that necessary to achieve the clearly
> visible caustic effect, or does it work with thin refractive
> objects as well?
> 
> Julius

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