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Here are the basic steps :.(the complete setup can be seen in the screenshot below):
- Simulate the RealFlow fluid and activate Fluid > Particles > Create Thinking Particles.
- Create a "Particle Geometry" node from Cinema 4D's Simulate > Thinking Particles.
- Open Simulate > Thinking Particles > Thinking Particles Settings and drag the "Fluid" group to the "Particle Geometry" node's "Particle Group" field.
- Apply a "Hair Render" tag to "Particle Geometry".
- Create a "Hair Material" and adjust its parameters to your needs; apply it to "Particle Geometry".
- Render.
