8 votes

How to create and animate the water reflection (Caustics) on an object?

First: There is now Caustics support since Blender 3.1 Second: There is a great tutorial at blendernation.com (linked to Cycles | Water Uber Shader). The fake Caustics shader is explained in Part 1 ...
Samoth's user avatar
  • 3,224
5 votes

How to fake reflective caustics in Cycles?

Cycles does render caustics. But since the light is traced from the camera to the lights the probability that caustics are rendered is very low. When they are rendered most people call them fireflies ...
Thomas Huijzer's user avatar
4 votes

How to create and animate the water reflection (Caustics) on an object?

Is it has to be done in Cycles? If not, check Yafaray as an option for this kind of effects. The trick in the scene below is the reflecting material which is 50/50 mix of Water and Mirror (shiny ...
Andrey Lebedenko's user avatar
4 votes

Caustics options not show in 3.1 final

A build version that included caustics was D13533 submitted on December 18, and you can find it in the Blender Build archives. Caustics did not make the cut for the official release of 3.1 according ...
common_goldfish's user avatar
3 votes

Caustics options not show in 3.1 final

As of 3.2.0 beta there's limited caustics in shadows of refractive objects: Release Notes 3.2 Cycles (fourth bit down)
KickAir8p's user avatar
  • 2,352
3 votes

Blender 2.8 and Caustics in YafaRay and POV

LuxCoreRender is able to use bidirectional path tracing with CPU rendering that is more suitable to render caustics. It is also free and open source and its integration to Blender is alright. It is ...
Martynas Žiemys's user avatar
2 votes
Accepted

How can I render caustic using (only) the Cycles render engine?

Note: this requires Blender 3.2 or later. Earlier versions won't work. Here's how to do caustics, from a default scene in stock Blender 3.2 with no plugins or other render engines. Feel free to skip ...
cocomac's user avatar
  • 147
2 votes

Blender 3.1.2 M1 chip- Metal- GPU enabled- cycles on but NO CAUSTIC checkbox

Caustics was in the 3.1 Alpha for Metal but did not make it into the final 3.1 release: https://developer.blender.org/D13533#381586
Tobias Einarsson's user avatar
2 votes

How to create and animate the water reflection (Caustics) on an object?

To do caustics, I stepped to Luxcorerender and ended up with Appleseed-Render for Blender 2.8. I did this with Blender 2.8 + Appleseed Render Add-on in a few minutes (just 200 Samples without ...
Ralf Dietrich's user avatar
1 vote

Objects inside transparent object don't render correctly

In the Render panel, you have enable Fast GI Approximation but it seems like it doesn't work with glass, so disable it:
moonboots's user avatar
  • 151k
1 vote
Accepted

Caustics Does Not Work Properly for Refractive Object Inside Another Refractive Object

Alright, I received an official response on that issue from Blender Projects mod. The rendering technique used to speed up the rendering of caustics is based on MNEE. There are a number of ...
MMM's user avatar
  • 63
1 vote

How do spotlights work in Blender cycles, without the caustic noise of an explicitly modelled spotlight?

Modeling and using lighting components such as lenses and reflectors adds complexity to the scene and will induce probabilistic effects on all of the traced rays. Additionally, there are a couple of ...
Allen Simpson's user avatar

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