Native C++ OpenSubdiv refinement for Nuke. Bakes Catmull-Clark subdivision into USD meshes while perfectly preserving Face-Varying UV seams.
USDSubD - OpenSubdiv Mesh Refinement for USD
First submitted: 22 February 2026
Author: Marty Blumen
Website: https://www.martyblumen.com/
Compatible Nuke versions: 16.0 or later
Compatibility: Windows
USDSubD is a high-performance C++ plugin that brings native Catmull-Clark subdivision surfacing to Nuke’s USD architecture.
When working with complex USD assets in Nuke, artists often encounter low-poly proxy cages that lack the refinement needed for close-up renders. USDSubD solves this by leveraging Foundry’s built-in OpenSubdiv libraries to cleanly multiply and smooth geometry directly in the nodegraph.
Why use this over standard tessellation? Standard subdivision often destroys texture coordinates by pulling apart UV seams. USDSubD includes specific logic to map and flatten UVs into Face-Varying arrays before tessellation. This guarantees C0 continuity across boundaries, meaning your character and environment textures stay perfectly pinned to the newly generated topology.
Key Features:
Iterative Catmull-Clark mesh refinement.
Seamless Face-Varying UV preservation.
"Tagged Only" mode to respect original USD
subdivisionSchememetadata.Multi-threaded C++ evaluation to keep the DAG fast.
Compatibility: Windows (Compiled against Nuke 16.0v8).
Developed by Marten Blumen.
MIT License
Copyright (c) 2026 Marten Blumen
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