Questions tagged [caustics]

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Glass / jelly material speckled with fireflies

I'm working on an animation where a cube of jelly falls from the sky (it's best not to think too hard about it). . Here's frame 45: There are loads of speckles, which I've learned are called "...
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what is a good caustics rendering engine for noise?

looking into doing a few renders with caustics underwater, with paper, I've done Lux render, but it feels like it never seems to clear of noise, and the denoise engine included does not make a ...