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This extension actually consists of 4 types of volumetrics:



Any Maxwell material (except emitters) can be applied to the volumetric object (or particles), but generally, a normal lambert material works just fine.

How to use the Maxwell Volumetrics extension

The details will depend on what plugin you are using, or whether you are using Maxwell Studio, but in general, you add this extension as an object to your scene and it will be represented by a cube (in the case of Constant density and Noise3D), points that show the particle cloud in the case of Particle based, and a cube bounding box representation in the case of the Volume based type. Please see your specific plugin documentation for details on how to add a volumetric object to your scene. You then apply any Maxwell material to this object.


There’s no way to control the look of the volumetric objects during or after the render except by using the lights that affect them. This short video may give you an idea of what can be achieved with lights and MultiLight:


Control the visibility of the fog or the objects inside it using lights.

Constant density

This will actually be a separate cube-shaped object in your scene, which can be manipulated like any other object (translated, rotated, scaled). The volumetrics will be visible only inside this cube shape. Please see your plugin documentation for specifics on how to add a Constant Density object to your scene. In Maxwell Studio, you can add it by right-clicking in the Object panel and choosing Create Extension Object>MaxwellVolumetric.