by CG Thoughts·Workflow
Images © CG Thoughts. Used for product review; image policy.
Fluent Catalyst earns its place in the superhive library by pairing viewport-based control of Geometry Nodes assets with tools to build, package and share your own asset libraries, plus a starter set of 13 parametric hard surface assets.
Fluent Catalyst is a Blender add-on for working with Geometry Nodes based assets. Instead of long input lists, it lets you adjust an object directly in the viewport through a menu and a simple horizontal mouse move, with parameters arranged into sub-menus by theme. The add-on automatically adjusts the sensitivity of its scale parameters, a "Reuse" function copies settings from any already added asset, and a one-click reset is available. There is no shortcut, but if you already have Fluent Modeler you can start editing from its pie menu.
It ships with a built-in hard surface library of 13 parametric assets that replace more than 100 assets, including a Potentiometer with 13 parameters, a Fan with 14 and a Vent with 14. You can also build your own libraries from any Geometry Nodes based asset: configure the menus and asset placement, and the add-on generates the menu, renders the preview and adds it to the library. Finished libraries can be packaged as a ZIP to share or sell online, usable by anyone running Catalyst.
Fluent Catalyst runs on Blender 4.1, 4.0, 3.6, 3.5 and 3.4 under the GPL license. Documentation and an active Discord community back the add-on.
Fluent Catalyst - Geometry Nodes Ui And Library System is best for blender artists who work with Geometry Nodes assets and want viewport-based adjustment plus the ability to build, reuse and share custom asset libraries.
Fluent Catalyst - Geometry Nodes Ui And Library System is completely free to download and use.
Fluent Catalyst supports Blender versions 4.1, 4.0, 3.6, 3.5 and 3.4, so it runs on both the 3.x and early 4.x releases. If you work across several installations, it should slot into projects on any of these versions. For anything newer than 4.1, check the developer's page for the latest compatibility details before installing, since the listed support stops at 4.1. The add-on is distributed under the GPL license.
Fluent Catalyst is listed as free here and is distributed under the GPL license. Pricing and licensing terms can change over time, so for current cost, purchase options and any bundle details, check the developer's page directly. The add-on comes from CG Thoughts, and after getting it you also gain access to an active community and Discord server where developers and other users share help. Documentation is provided to cover the included assets and menu features.
Fluent Catalyst lets you build and manage your own libraries from any Geometry Nodes based assets. You configure the menus and where you want each asset, and the add-on generates the menu, renders the preview and adds it to the library. Once a library is built, you can package it as a ZIP to share or sell it online, and any Catalyst user will be able to use it. The add-on also ships with a built-in hard surface library of 13 parametric assets.
Fluent Catalyst has no dedicated shortcut. If you already have Fluent Modeler installed, you can start editing an asset directly from its pie menu. Adjustments happen in the viewport through a menu, using a simple horizontal mouse move, and parameters can be arranged into sub-menus by theme. The add-on automatically adjusts the sensitivity of its scale parameters, and a "Reuse" function copies settings from any already added asset, with a one-click reset also available.
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