by ccordi·Workflow
Images © ccordi. Used for product review; image policy.
TRIDENT earns its place in the Blender extensions library for a narrow, well-defined job: taking reduced-dimensional data out of a CSV file and into an interactive 3D scene, with EEVEE handling real-time navigation and figure output. The 0.2.1 update fixed incorrect scaling of the data, and the developer's roadmap lists further work on label handling, legend sorting, and cluster management.
TRIDENT (Tri-Dimensional Embeddings Navigation Tool) is a Blender add-on that turns dimensionality-reduced data into 3D visualizations. It reads CSV files where each row is a data point in reduced-dimensional space, supporting XYZ coordinates from UMAP, t-SNE, PCA and similar methods, plus optional metadata columns for labels or grouping.
Once data is imported, TRIDENT plots it directly in the Blender viewport using the EEVEE renderer for real-time navigation. You can move through data clusters, toggle categories or classes on and off, and adjust transparency and palettes, with category-based color labeling applied across the point cloud.
For output, TRIDENT exports publication-ready stills, renders camera flythroughs, and reuses lighting and material presets. After installation it appears in Blender's sidebar, opened with the N key. It runs on Windows, macOS (Intel and Apple Silicon) and Linux, and is released under the GNU General Public License v3.0 or later.
TRIDENT is best for turning UMAP, t-SNE and PCA embeddings from CSV files into 3D point-cloud visualizations and publication-ready figures inside Blender.
TRIDENT is completely free to download and use.
TRIDENT is listed as compatible with Blender 4.2 LTS and newer, so you'll want a 4.2 build or later installed. It supports Windows, Linux, and macOS on both Intel and Apple Silicon, with a separate download package for each platform. Once the add-on is enabled, it shows up in Blender's sidebar, which you open by pressing the N key in the 3D View. The developer's wiki covers setup and includes guidance for users with no prior Blender experience.
TRIDENT installs like other Blender extensions: you can drag and drop the downloaded package into Blender, or download the file and use Install from Disk. Choose the package that matches your system, since there are separate builds for Windows, Linux, macOS Intel, and macOS Apple Silicon. After enabling it, TRIDENT appears in Blender's sidebar under the 3D View, opened with the N key. For step-by-step setup and examples, the developer maintains a wiki.
TRIDENT reads CSV files where each row represents a single data point in reduced-dimensional space. It expects XYZ coordinates produced by methods such as UMAP, t-SNE, and PCA, and it can also read optional metadata columns used for labels or grouping. Inside Blender, the imported data is plotted as a point cloud in the viewport using the EEVEE renderer. The 0.2.1 release fixed incorrect scaling of the imported data.
TRIDENT is listed as free here in the catalog, and it's released under the GNU General Public License v3.0 or later. For the current licensing terms and any usage conditions, check the developer's page. The add-on also requests file permissions to read and write data files and build outputs, which covers importing your CSV data and exporting rendered stills or animation frames. Source code and issue tracking are hosted on the developer's GitHub.
TRIDENT can export publication-ready stills and render camera flythroughs directly within Blender's interface, and it reuses lighting and material presets when producing figures. Because it plots data with the EEVEE renderer, you can navigate through clusters in real time, toggle categories or classes on and off, and adjust transparency and palettes before capturing output. It can produce both high-quality figures and animation frames from the imported dataset.
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