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I was looking for a tutorial, but I'm stuck in this at the moment.
In the attach a photo of ashes from a cigarette.

How to start with this in C4d & Octane?

Thanks a lot

Particle maybe?

hazenkind wrote:Particle maybe?

Thanks but where to start? I have no idea

I would create a few polygon objects (with single or double polygons only), distort them a bit, and clone them. Then randomize color with a greyscale gradient. Then you can either create a larger model in the shape htat you want and clone them into that object with the Object Mode in cloner. Or use dynamics, or if you have c4d s24 there's a new Dynamic Place tool that allows you to dynamically group objects together in pretty much real time.
The fact that each cloned objecti s only 1 or 2 polygons will make it easier on the system to process.

That, or X-Particles.

Jengo_1 wrote:I would create a few polygon objects (with single or double polygons only), distort them a bit, and clone them. Then randomize color with a greyscale gradient. Then you can either create a larger model in the shape htat you want and clone them into that object with the Object Mode in cloner. Or use dynamics, or if you have c4d s24 there's a new Dynamic Place tool that allows you to dynamically group objects together in pretty much real time.
The fact that each cloned objecti s only 1 or 2 polygons will make it easier on the system to process.

That, or X-Particles.

Thanks for the support!

Quixel Megascans has a mother-load of scanned ash atlases. All include displacement maps so you won't need to model anything.