3d-web-experience

3d-web-experience is a skill for Claude Code, Codex from happycapy-ai/Happycapy-skills. It costs 80 tokens per session (1,424 once invoked), scanned A, a copy of 3d-web-experience, MIT.

A guide for building interactive 3D experiences on websites, including scenes, product configurators, portfolios, and immersive pages.

In plain words
What is it for?
It supports work with Three.js, React Three Fiber, WebGL, Spline, 3D models, interactive scenes, and 3D performance improvements.
Why use it?
It helps choose a suitable 3D approach while considering usability and website performance.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit It supports work with Three.js, React Three Fiber, WebGL, Spline, 3D models, interactive scenes, and 3D performance improvements.

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Install with agentmods
npx agentmods add skills/happycapy-ai/happycapy-skills/3d-web-experience
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add happycapy-ai/Happycapy-skills --skill 3d-web-experience
Clone the repo
git clone --depth 1 https://github.com/happycapy-ai/Happycapy-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for 3d-web-experience

README.md
[![agentmods](https://agentmods.dev/badge/skills/happycapy-ai/happycapy-skills/3d-web-experience/github.svg)](https://agentmods.dev/skills/happycapy-ai/happycapy-skills/3d-web-experience)
Your own site
<a href="https://agentmods.dev/skills/happycapy-ai/happycapy-skills/3d-web-experience"><img src="https://agentmods.dev/badge/skills/happycapy-ai/happycapy-skills/3d-web-experience/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for 3d-web-experience

Your own site · 80×15
<a href="https://agentmods.dev/skills/happycapy-ai/happycapy-skills/3d-web-experience"><img src="https://agentmods.dev/badge/skills/happycapy-ai/happycapy-skills/3d-web-experience.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 80 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,424 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 91% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00080 $0.01424
Opus 5 $0.00040 $0.00712
Sonnet 5 $0.00016 $0.00285
Haiku 4.5 $0.00008 $0.00142

Measured 12d ago against content hash 1329eaa8a9d1, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

3d-web-experience scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

91% identical to 3d-web-experience — 6 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/3d-web-experience/SKILL.md · 255 lines

How it starts

The opening of the file, as written. The whole thing — 255 lines — stays where its author put it; the contents beside it link to each section on GitHub.

3D Web Experience

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.

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)
```jsx
import Spline from '@splinetool/react-spline';

export default function Scene() {
  return (
    <Spline scene="https://prod.spline.design/xxx/scene.splinecode" />
  );
}

React Three Fiber

import { 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

```python
## 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

Read the full file on GitHub · 255 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 12d ago First seen · 255 lines · 80 tokens per session scan A 1329eaa8a9d1

Subscribe to this mod's changes

3d-web-experience is a skill published in the GitHub repository happycapy-ai/Happycapy-skills (139 stars, last pushed 8d ago), licensed MIT. It adds 80 tokens to every session and 1,424 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. It is 91% identical to 3d-web-experience, differing in 6 lines, and is treated as a copy.

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