by CGMatter·Simulation
Images © CGMatter. Used for product review; image policy.
Earns its place in the superhive library as a procedural droplet simulator built on Blender's simulation nodes, with baking for quick iteration across raindrops, sweat and condensation.
Sweat (Condensation) Simulator is a procedural addon for Blender, made by CGMatter, that simulates droplets traveling down any surface. That covers raindrops, sweat and condensation, and it works with animated and even deforming geometry.
Setup runs through a set of intuitive controls. You assign an object as the particle emitter with the Surface setting, then shape the result with Density for the number of particles, Size for droplet radius, Speed for travel velocity, and Max Age for how many seconds a particle lasts. Noise Intensity, Noise Size and Noise Evolution govern random velocity distortion and how that pattern changes over time. An Instances option instances geometry on each particle, which is necessary for motion blur.
The simulator is fast, using simulation nodes baking so you can iterate quickly and run tests before a final pass. Installation follows the usual Blender method: drag the .zip into Blender 4.3 or newer and confirm. It is distributed under the GPL license and comes bundled with Genie.
Sweat (Condensation) Simulator is best for blender artists simulating droplets traveling down surfaces — rain, sweat or condensation — including on animated and deforming geometry.
Sweat (Condensation) Simulator is completely free to download and use.
Sweat (Condensation) Simulator lists compatibility with Blender 4.4 and 4.3, and the installation notes call for dragging the .zip into Blender 4.3 or newer, so those versions are covered. It runs as a Blender add-on and is marked as Blender Extension compatible. On an older release the addon may not load, since the instructions specifically require 4.3 or newer. Check the developer's page for the latest compatibility details before installing on a version outside that range.
Sweat (Condensation) Simulator installs like any other Blender add-on. Drag the .zip file directly into Blender 4.3 or newer and hit confirm to enable it. Once installed, you set an object as the particle emitter through the Surface setting and adjust the exposed controls for density, droplet size, speed, max age and noise. A tutorial is referenced by the developer, and a demo video is available if you want to look at the addon before setting it up.
Sweat (Condensation) Simulator works with animated geometry, and with deforming geometry as well, so droplets can travel across surfaces that move or change shape over time. It is a procedural simulator built to send droplets down any surface, covering raindrops, sweat and condensation. The Instances option can instance geometry on each particle, which the developer notes is necessary for motion blur. For fast iteration, the addon relies on simulation nodes baking, so you can run tests before committing to a final simulation.
Sweat (Condensation) Simulator is listed as free in this catalog, and it is distributed under the GPL license. It is also noted as being bundled with Genie. Because licensing and any bundle terms can change, check the developer's page for the current details before you rely on a particular arrangement. The addon is published by CGMatter and is available for Blender 4.3 and 4.4 as a standard add-on extension that you install by dragging the .zip into Blender.
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