Ajith_M.V
February 8, 2025, 10:10am
1
I have used the fake dispersion material and nothing works , im looking for the clean internal details of the diamond ,it have a geometric look to it, like in the renders from cartier diamonds, , how can i achieve that level of detail in blender
Okidoki
February 8, 2025, 11:27am
2
With a llloooonnngg time of using also other rendere and and some bbbiiigggg experience…
There are flame wars about what renderer is better…
Ajith_M.V:
fake dispersion material
…
You may even have to elaborate this to get a more suited answer.
Maybe following some discussion… for example (already from years ago…):
Hello blenderheads,
I am posting my test with fake glass dispersion in Cycles.
[image]
What is the approach I use?
First I split glass color into RGB channels which I route into three different glass closures that have each slightly different IOR. The channels are then merged back together and voila, you have something that looks not so bad. Additionaly I add one more glossy closure to have more control over (sort of) “specular reflection”.
[image]
Here is screenshot of node tree and zi…
Welcome to the new update of the Glass Caustics and Dispersion Shader! It’s been a bit past a year since I shared the original nodes, and I have been wanting to fix them for a while.
The shader is not at the speed I would like it to render, but I am very happy with the look of the fake caustics. I will certainly be looking to optimize the nodes, and I already have a few ideas of how to tackle the problem. The caustics may, once again, change visually, but I want to prioritize speed.
Only the “…
Or some others:
https://medium.com/@fieryphoenixtech/creating-an-accurate-diamond-material-in-blender-e6564b3c936a
…it is all about the knowledge for the actual physical behaviour… or… how to fake it…
