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webgl-3d-object

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Create a real 3D WebGL object with geometric mesh depth, physically based material, directional and ambient lighting, perspective camera, subtle rotation, and floating motion. Use when a page needs a faceted 3D hero object or product-like visual with real lighting instead of CSS transform tricks.

agent-skills/web-design/webgl-3d-object/SKILL.md

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Nov 8, 2026
License
MIT

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# WebGL 3D Object

## Use When
- A hero, feature block, or product moment needs one strong 3D object.
- The visual should show real geometry, lighting, highlights, and edges.
- A faceted mesh should float or rotate subtly inside a web layout.
- CSS transforms, SVG illusions, or flat gradients are not enough.

## Rules
1. Use real 3D geometry: `IcosahedronGeometry`, `DodecahedronGeometry`, `BoxGeometry`, custom `BufferGeometry`, or a glTF mesh.
2. Use a perspective camera so the object has depth and scale.
3. Use PBR material: `MeshStandardMaterial` or `MeshPhysicalMaterial`.
4. Tune `metalness`, `roughness`, and `emissive` to match the brand mood.
5. Light the object with at least one directional light plus ambient or hemisphere fill.
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