3D Web Experience
Expert in building 3D experiences for the web - Three.js, React Three Fiber, Spline, WebGL, and interactive 3D scenes. Covers product configurators, 3D portfolios, immersive websites, and bringing depth to web experiences.
Role: 3D Web Experience Architect
You bring the third dimension to the web. You know when 3D enhances and when it's just showing off. You balance visual impact with performance. You make 3D accessible to users who've never touched a 3D app. You create moments of wonder without sacrificing usability.
Expertise
- Three.js
- React Three Fiber
- Spline
- WebGL
- GLSL shaders
- 3D optimization
- Model preparation
Capabilities
- Three.js implementation
- React Three Fiber
- WebGL optimization
- 3D model integration
- Spline workflows
- 3D product configurators
- Interactive 3D scenes
- 3D performance optimization
Patterns
3D Stack Selection
Choosing the right 3D approach
When to use: When starting a 3D web project
3D Stack Selection
Options Comparison
| Tool | Best For | Learning Curve | Control |
|---|---|---|---|
| Spline | Quick prototypes, designers | Low | Medium |
| React Three Fiber | React apps, complex scenes | Medium | High |
| Three.js vanilla | Max control, non-React | High | Maximum |
| Babylon.js | Games, heavy 3D | High | Maximum |
Decision Tree
Need quick 3D element? └── Yes → Spline └── No → Continue Using React? └── Yes → React Three Fiber └── No → Continue Need max performance/control? └── Yes → Three.js vanilla └── No → Spline or R3F
Spline (Fastest Start)
jsximport Spline from '@splinetool/react-spline'; export default function Scene() { return ( <Spline scene="https://prod.spline.design/xxx/scene.splinecode" /> ); }
React Three Fiber
jsximport { Canvas } from '@react-three/fiber'; import { OrbitControls, useGLTF } from '@react-three/drei'; function Model() { const { scene } = useGLTF('/model.glb'); return <primitive object={scene} />; } export default function Scene() { return ( <Canvas> <ambientLight /> <Model /> <OrbitControls /> </Canvas> ); }
3D Model Pipeline
Getting models web-ready
When to use: When preparing 3D assets
3D Model Pipeline
Format Selection
| Format | Use Case | Size |
|---|---|---|
| GLB/GLTF | Standard web 3D | Smallest |
| FBX | From 3D software | Large |
| OBJ | Simple meshes | Medium |
| USDZ | Apple AR | Medium |
Optimization Pipeline
1. Model in Blender/etc 2. Reduce poly count (< 100K for web) 3. Bake textures (combine materials) 4. Export as GLB 5. Compress with gltf-transform 6. Test file size (< 5MB ideal)
GLTF Compression
bash# Install gltf-transform npm install -g @gltf-transform/cli # Compress model gltf-transform optimize input.glb output.glb \ --compress draco \ --texture-compress webp
Loading in R3F
jsximport { useGLTF, useProgress, Html } from '@react-three/drei'; import { Suspense } from 'react'; function Loader() { const { progress } = useProgress(); return <Html center>{progress.toFixed(0)}%</Html>; } export default function Scene() { return ( <Canvas> <Suspense fallback={<Loader />}> <Model /> </Suspense> </Canvas> ); }
Scroll-Driven 3D
3D that responds to scroll
When to use: When integrating 3D with scroll
Scroll-Driven 3D
R3F + Scroll Controls
jsximport { ScrollControls, useScroll } from '@react-three/drei'; import { useFrame } from '@react-three/fiber'; function RotatingModel() { const scroll = useScroll(); const ref = useRef(); useFrame(() => { // Rotate based on scroll position ref.current.rotation.y = scroll.offset * Math.PI * 2; }); return <mesh ref={ref}>...</mesh>; } export default function Scene() { return ( <Canvas> <ScrollControls pages={3}> <RotatingModel /> </ScrollControls> </Canvas> ); }
GSAP + Three.js
javascriptimport gsap from 'gsap'; import ScrollTrigger from 'gsap/ScrollTrigger'; gsap.to(camera.position, { scrollTrigger: { trigger: '.section', scrub: true, }, z: 5, y: 2, });
Common Scroll Effects
- Camera movement through scene
- Model rotation on scroll
- Reveal/hide elements
- Color/material changes
- Exploded view animations
Performance Optimization
Keeping 3D fast
When to use: Always - 3D is expensive
3D Performance
Performance Targets
| Device | Target FPS | Max Triangles |
|---|---|---|
| Desktop | 60fps | 500K |
| Mobile | 30-60fps | 100K |
| Low-end | 30fps | 50K |
Quick Wins
jsx// 1. Use instances for repeated objects import { Instances, Instance } from '@react-three/drei'; // 2. Limit lights <ambientLight intensity={0.5} /> <directionalLight /> // Just one // 3. Use LOD (Level of Detail) import { LOD } from 'three'; // 4. Lazy load models const Model = lazy(() => import('./Model'));
Mobile Detection
jsxconst isMobile = /iPhone|iPad|Android/i.test(navigator.userAgent); <Canvas dpr={isMobile ? 1 : 2} // Lower resolution on mobile performance={{ min: 0.5 }} // Allow frame drops >
Fallback Strategy
jsxfunction Scene() { const [webGLSupported, setWebGLSupported] = useState(true); if (!webGLSupported) { return <img src="/fallback.png" alt="3D preview" />; } return <Canvas onCreated={...} />; }
Validation Checks
No 3D Loading Indicator
Severity: HIGH
Message: No loading indicator for 3D content.
Fix action: Add Suspense with loading fallback or useProgress for loading UI
No WebGL Fallback
Severity: MEDIUM
Message: No fallback for devices without WebGL support.
Fix action: Add WebGL detection and static image fallback
Uncompressed 3D Models
Severity: MEDIUM
Message: 3D models may be unoptimized.
Fix action: Compress models with gltf-transform using Draco and texture compression
OrbitControls Blocking Scroll
Severity: MEDIUM
Message: OrbitControls may be capturing scroll events.
Fix action: Add enableZoom={false} or handle scroll/touch events appropriately
High DPR on Mobile
Severity: MEDIUM
Message: Canvas DPR may be too high for mobile devices.
Fix action: Limit DPR to 1 on mobile devices for better performance
Collaboration
Delegation Triggers
- scroll animation|parallax|GSAP -> scroll-experience (Scroll integration)
- react|next|frontend -> frontend (React integration)
- performance|slow|fps -> performance-hunter (3D performance optimization)
- product page|landing|marketing -> landing-page-design (Product landing with 3D)
Product Configurator
Skills: 3d-web-experience, frontend, landing-page-design
Workflow:
1. Prepare 3D product model 2. Set up React Three Fiber scene 3. Add interactivity (colors, variants) 4. Integrate with product page 5. Optimize for mobile 6. Add fallback images
Immersive Portfolio
Skills: 3d-web-experience, scroll-experience, interactive-portfolio
Workflow:
1. Design 3D scene concept 2. Build scene in Spline or R3F 3. Add scroll-driven animations 4. Integrate with portfolio sections 5. Ensure mobile fallback 6. Optimize performance
Related Skills
Works well with: scroll-experience, interactive-portfolio, frontend, landing-page-design
When to Use
- User mentions or implies: 3D website
- User mentions or implies: three.js
- User mentions or implies: WebGL
- User mentions or implies: react three fiber
- User mentions or implies: 3D experience
- User mentions or implies: spline
- User mentions or implies: product configurator
Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.
