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- Add a → "Volume" tag and change "Cell size".
- Smaller values create a better representation, but they will also allocate more memory.
- If you do not want to estimate an appropriate "Cell Size" value just choose a quality level from "Collision Geometry Detail" and let RealFlow | Cinema 4D do this work for you.
The Role of the "Collider" Tag
Currently, the object only acts as "template" to create a particle volume with a certain shape. When you simulate, the object will not be considered, because it does not have a → "Collider" tag.