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- Go to Fluid > Particles and enable "Create Thinking Particles".
- Cinema 4D main menu > Simulate > Particle Geometry
- Cinema 4D main menu > Simulate > Thinking Particles Settings...
- Create a new Thinking Particles group, and drag to the fluid/rigid/elastic container's Particles > Thinking Particles field.
- Apply a "TurbulenceFD Emitter" tag to the "Particle Geometry" node, and add a "TurbulenceFD Container", make your settings and start the smoke/fire simulation:
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