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I'm trying to reproduce this ice cream from another blender forum. Yet I'm miles away from this artist's work. What nodes or settings am I missing?

What I want: pic

What I have: pic

Reference hi-res download: https://blenderartists.org/uploads/default/original/4X/4/3/f/43fd66535d47ddccf47d6b52734453f795309766.jpeg

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  • $\begingroup$ Hey :). Here is a procedural shader that looks good on Blendswap. For inspiration. $\endgroup$
    – jachym michal
    May 25, 2021 at 11:20
  • $\begingroup$ @JachymMichal Thank you, yes tried that one as well $\endgroup$
    – jjk
    May 25, 2021 at 11:24
  • $\begingroup$ When I see the melting overhang clifs ... I dont think this is done just procedurally (since even microdisplacement can't handle this kind of shape. Or you are looking for something that looks similar but in procedural way? $\endgroup$
    – vklidu
    May 25, 2021 at 12:51
  • $\begingroup$ @vklidu >Or you are looking for something that looks similar but in procedural way? If it looks similar, yes (hope I understood you correctly) $\endgroup$
    – jjk
    May 25, 2021 at 13:01
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    $\begingroup$ I mean those details are not probably procedural imgur.com/fxb9y0Q but sculpted or simulated ... and I don't want to say I know How-To ... I'm just asking for others what is your goal ... if to get those detail even without procedural or you'r looking for only procedural way and you don't care to reach your reference. $\endgroup$
    – vklidu
    May 25, 2021 at 13:16

2 Answers 2

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I tried to get closer to your reference, but by checking real shots it seems to me I just multiplied wrong interpretation of reality :) Of course it has hundreds of possible looks, but version in your reference looks weird to me ;) Anyway ...

Wave texture can't create a zebra strips, that is what I see as bigger breaks on surface.
For that I based material on Gabor texture, it's OSL texture (so only CPU and Cycles shader). Gabor texture is part of Templates in Blender's Text Editor.

enter image description here

enter image description here

enter image description here

Later I will add blend file to test it. If you need more details let me know.

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Here's everything I know about melting ice cream aside from the taste.

enter image description here

A procedural solution would be to mix a Magic Texture and a Noise Texture for the noisy mask, and use a Wave Texture with a high Distortion value for the outside melted part.

If you just add these masks together, however, you'll get these jagged peaks on the outside, which is not desirable.

enter image description here

Instead we want to Subtract the wave mask from the noise mask first, and then Add the result to the wave mask.

This will generate us some nice smooth curvature with noise on the inside.

enter image description here

I messed with some ColorRamps, but I couldn't get anything that I was super pleased with. The core principles are here, though. I used the same map to drive the roughness.

enter image description here

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