Omoo Nodes

Omoo Nodes provides O, a practical node asset library created by OmooLab for Blender. It turns frequently used workflows into reusable node groups, reducing the time spent rebuilding common functionality while making complex node trees clearer and easier to maintain.

Inspired in part by Houdini's procedural workflow, it is designed for real production scenarios such as procedural modeling, particle effects, stylized non-photorealistic rendering, scientific visualization, and annotation.

Features

The library groups utilities, procedural modeling nodes, and artistic effects into categories such as O Deform and O Generate.

All nodes use Blender's native Asset Library system, with no add-on required.

The repository also provides the omoonodes Python package and its omoonodes CLI to convert Python definitions to and from .blend files and build node libraries for Blender 4.5 and 5.2. Other projects can use the same tool with their own node sources.

Installation

Choose an installation method based on your Blender version and preferred workflow:

Local Asset Library

1. Download the package for your Blender version from GitHub Releases.
2. Extract the O folder to a permanent location.
3. Open Edit > Preferences > Asset Libraries.
4. Click +, select the O folder, and name the library O.

Keep the .blend files together inside the O folder.

Remote Asset Library (5.2)

After the b52 archive has been deployed to the asset server, add the library at the URL below.

1. Open Edit > Preferences > Asset Libraries.
2. Click + on the right side of the list, select Add Remote Asset Library, and enter the URL of the asset library you need.

Asset Library	URL
O	https://assets.omoolab.xyz/b52/O

If Blender requests network permission, allow Online Access. Blender first loads the asset listings and thumbnails, then downloads and caches individual assets on demand.

Python Package and CLI

In a consuming project, install a fixed commit from this repository:

uv add --dev "omoonodes @ git+https://github.com/OmooLab/OmooNodes.git@<commit>"

Replace <commit> with the full commit SHA and commit pyproject.toml and uv.lock. CI installs the same version with uv sync --locked. See the package guide for configuration and usage, and the development guide for this repository's workflow.