Procedura: Agentic 3D Modeling with Procedural Control

Procedura is a new agentic 3D modeling framework built around the idea that a shape should be code, not just geometry. Given a text prompt, it plans an object as an assembly graph and writes a procedural program part by part, using typed, machine-checkable mates to place components instead of relying on guesswork.

That matters for developers because the output is not just a mesh: it is an editable, part-structured program with per-part materials and simulator-validated articulation. Each part only gets accepted after compile, mate, and connectivity checks pass, which should make the system more useful for mechanical assets, modular props, and any workflow where downstream edits matter.

A decoupled vision critic then diagnoses assembly problems and applies fixes one at a time, which is a notable design choice for reducing brittle end-to-end failures. The system was evaluated on P3D-Bench and MechBench-36, where it reportedly beat state-of-the-art native 3D generators and earlier 3D-code agents on judged quality, while producing the sharpest edges among the methods tested.

For game teams, the practical appeal is obvious: cleaner hard-surface assets, explicit part decomposition, and parameters that can be edited after generation. The open question is how well this approach scales to the messy, style-heavy assets common in production, but for mechanical content and kitbash-style pipelines it points toward a more controllable generation workflow.