Triplanar Projection

Triplanar Projection Blinkscript gizmo. This tool projects textures onto 3D geometry using Position and Normal passes.

First submitted: 18 February 2026

Author: David Lee-DuVoisin

Website: https://github.com/david2777/nuke

Compatible Nuke versions: 14.0 or later

Compatibility: Source

Triplanar Projection

A high-performance triplanar projection node utilizing Nuke's BlinkScript engine. This tool projects textures onto 3D geometry using Position and Normal passes. Created in Nuke 15.2 but should probably work in older versions.

Features

  • Texture Projections: Projects up to 3 different textures based on the X, Y, and Z axes.

  • High-Quality Sampling: Includes Linear, Bilinear, and Anisotropic filtering to reduce blur at oblique angles.

  • Flexible Controls:

    • Global and per-axis Translate, Rotate, and Scale.

    • Normal channel rotation and scale.

    • Output controls to view the merged result or isolate specific axes.

    • Blend Exponent to control the sharpness of the transition between projections.

    • Apply X Texture on All Axis toggle for quick single-texture mapping.

    • Apply Texture Alpha toggle to apply the alpha from the texture inputs.

  • BlinkScript Acceleration: Fully vectorized for CPU and supports GPU acceleration.

  • Open Source: I've included the full source of the kernel (with comments) and gizmo if you want to learn from it or modify it yourself.

MIT License

Copyright (c) 2026 David Lee-DuVoisin

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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