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threejs-procedural-geometry

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Build well-crafted production procedural meshes in Three.js. Use for complete hard-surface assemblies and humanoid robots, profile extrusion, parameter-curve and spine lofts, pillow panels, exact polygon cuts, inset, revolve, sweep, solidify, bevels and fillets, shell thickness, direct-topology apertures, semantic mesh writers, or diagnosing primitive-built forms, coplanar flicker, loose/non-manifold geometry, detached parts, interpenetration, support, clearance, and swept-envelope defects.

skills/threejs-procedural-geometry/SKILL.md

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# Procedural Geometry

Generate geometry from a semantic contract and explicit coordinate frame.
Treat polygon operations as the design model and triangle emission as the final
compilation step. Do not declare an object complete until its topology,
assembly relationships, semantic measurements, and fixed views all pass.

This skill contains exemplary examples and assets beyond descriptive guidance,
they're worth studying, referencing, or even copying. Use them sufficiently
when relevant and do NOT blindly skip them.

## Craft loop

1. Define units, local/world frames, dimensions, bounds, primary profiles,