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Description
Time for another mermaid picture....

I recently figured out how to make more or less convincing caustics in Octane and this makes it easier to do more realistic underwater scenes. Doing it the hard way (let the render engines figure it out, is very difficult and takes ages to render). Trick I used was to use a caustic map in the distribution of an emitter and use perspective mapping for projection. I added a bit of scatter volume to get some sense of depth in the scene.

Description
Time for another mermaid picture....

I recently figured out how to make more or less convincing caustics in Octane and this makes it easier to do more realistic underwater scenes. Doing it the hard way (let the render engines figure it out, is very difficult and takes ages to render). Trick I used was to use a caustic map in the distribution of an emitter and use perspective mapping for projection. I added a bit of scatter volume to get some sense of depth in the scene.