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Pi3 and Pi3X

Model
@DrHepa· Jul 2026
About

Modly extension for Pi3 single-image and Pi3X multi-view 3D reconstruction with GLB/PLY point clouds and structured sidecar outputs.

Repository
https://github.com/DrHepa/modly-pi3-extension
View on GitHub
Install in Modly
  1. 1
    Open “Models” in the app
    Go to the Models page and click Install from GitHub.
  2. 2
    Paste the repository URL
    Use the Copy button above, then confirm the installation.
  3. 3
    Download the model
    Once installed, download the model or one of its variants.
Documentation

From the project README

This extension exposes two independent model nodes through one generator class: pi3/generate preserves the Pi3 single-image point-cloud workflow. pi3/pi3x runs image-only Pi3X from one to four ordered RGB views.

Both nodes return a GLB artifact containing glTF POINTS for the Modly viewer and retain a raw PLY beside it. These are point clouds, not textured meshes: there is no mesh topology, PBR material, or textured geometry.

In Modly, open Models/Extensions → Install from GitHub and enter:

Run Setup or Repair to prepare the extension environment. Then download the Pi3 and Pi3X weights independently from the Models UI. Setup does not download model weights.

setup.py prepares required shared dependencies and prefers FlashAttention acceleration, but never downloads weights. Use Modly's Models UI to download each node independently:

Read the full README on GitHub →
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