by RLGUY·Simulation
Images © RLGUY. Used for product review; image policy.
Earns its place in the Superhive library as one of the best selling products, with a custom FLIP-based engine in development since 2016 and a focus on tight Blender integration.
FLIP Fluids is a Blender addon for setting up, running, and rendering liquid simulation effects. Its custom engine is based on the FLIP simulation technique used in many professional liquid simulation tools, and has been in constant development since 2016 with a focus on integrating the simulator into Blender as an addon.
Simulations are assembled from building blocks: a Domain contains the simulation and controls the properties of the liquid, Fluid and Inflow objects generate liquid, Outflows remove it, and Obstacles act as solids for fluid interaction and containment. A whitewater simulator generates foam, bubble, spray, and dust particles for large bodies of water using Blender's high performance point cloud features. A viscosity solver handles thin silky liquids through thick fluids that buckle and coil, while surface tension and sheeting cover small-scale effects. A custom force field system offers volume, surface, and curve forces, and color mixing uses the Mixbox plugin from Secret Weapons for multi-color liquids.
The addon aims to improve on Mantaflow, Blender's built-in simulator, in usability, stability, and customization, with a robust, well-tested engine and reduced memory usage. It is one of the best selling products on Superhive.
Flip Fluids is best for blender artists producing liquid simulation effects, from large-scale water with whitewater foam and spray, to viscous fluids, to small-scale splashes with surface tension.
Flip Fluids is completely free to download and use.
FLIP Fluids is focused strictly on liquid simulation effects, whereas Mantaflow, Blender's built-in simulator, also handles smoke and fire. Rather than being a general fluid solver, it concentrates on liquids and aims to improve on Mantaflow in areas like usability, stability, and customization. The developer describes a custom-built, robust, and well-tested engine that rarely crashes during simulation, along with optimizations to reduce memory usage in simulations with high detail, complex flows, or high velocities. If you need smoke or fire, you would still use Blender's built-in tools.
FLIP Fluids includes a whitewater simulator that generates and simulates millions of foam, bubble, spray, and dust particles. It's designed for large-scale fluid effects and adds a sense of realism to large bodies of water. The whitewater particles are customizable and ready for render using Blender's high performance point cloud features. Alongside whitewater, the addon provides a viscosity solver for thin to thick liquids and surface tension with sheeting for small-scale splashes, so a range of liquid behaviours can be produced from the same engine.
FLIP Fluids supports realistic color mixing using the Mixbox plugin to create vibrant multi-color liquid effects. The Mixbox pigment mixing technology is developed by Secret Weapons, and the developer's page links to more information about it. This is one of several liquid detailing options in the addon, alongside the whitewater simulator, the viscosity solver, and surface tension and sheeting effects. Together these let you produce multi-color liquids as part of a larger simulation built from the addon's Domain, Fluid, and Obstacle objects.
FLIP Fluids is listed as free in this catalog, and the developer also offers a free FLIP Fluids Demo addon to try. For current licensing terms and the full version, check the developer's page. The addon runs inside Blender and is built to feel like a built-in Blender tool. The developer also provides documentation, a wiki, a video learning series, a frequently asked questions section, and scene troubleshooting resources to help you get started.
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