seo: massively boost README tags, keywords, structured content, FAQ, cross-links

README.md

@@ -1,12 +1,12 @@
 ---
-title: Canva3D - 3D Model Viewer (GLB GLTF OBJ FBX STL USDZ)
+title: Canva3D — Free Online 3D Viewer (GLB GLTF OBJ FBX STL USDZ PLY)
 emoji: 🎨
 colorFrom: blue
 colorTo: indigo
 sdk: static
 pinned: true
 license: mit
-short_description: Free online 3D viewer 
+short_description: Free 3D viewer — GLB OBJ FBX STL USDZ, PBR, HDRI
 tags:
   - 3d
   - 3d-viewer
@@ -25,6 +25,7 @@ tags:
   - browser-based
   - canva
   - three.js
+  - threejs
   - webgl
   - webxr
   - rendering
@@ -53,147 +54,256 @@ tags:
   - computer-vision
   - creative-tools
   - drag-and-drop
+  - 3d-file-viewer
+  - glb-viewer
+  - obj-viewer
+  - fbx-viewer
+  - stl-viewer
+  - usdz-viewer
+  - gltf-viewer
+  - ply-viewer
+  - 3d-preview
+  - 3d-render
+  - 3d-asset
+  - wireframe
+  - texture
+  - material
+  - orbit-controls
+  - model-inspection
+  - 3d-visualization
+  - web-3d
+  - realtime-rendering
+  - client-side
+  - privacy
+  - open-source
+  - react
+  - vite
+  - substance-painter
+  - maya
+  - zbrush
+  - cinema-4d
+  - 3ds-max
+  - houdini
+  - game-art
+  - digital-art
+  - 3d-printing
+  - 3d-scan
+  - photogrammetry
+  - point-cloud
+  - triposr
+  - instantmesh
+  - hunyuan3d
+  - trellis
+  - ai-art
+  - generative-ai
+  - text-to-3d
+  - image-to-3d-generation
+  - 3d-character
+  - architecture-3d
+  - product-visualization
+  - e-commerce-3d
+  - configurator
 ---
 
-# Canva3D — Free Online 3D Model Viewer 🎨
+<div align="center">
 
-> **Open any 3D model in your browser — no install, no account, completely free.**  
-> *Visualisez n'importe quel modèle 3D dans votre navigateur — sans installation, sans compte, gratuit.*
+# 🎨 Canva3D — Free Online 3D Model Viewer
 
-**Supported formats:** GLB · GLTF · OBJ · FBX · STL · USDZ · PLY  
-**Rendering:** PBR materials · HDRI environment lighting · real-time WebGL  
-**Use cases:** AI 3D output preview · gamedev asset review · NFT/metaverse showcase · client model delivery · AR preview
+### Open any 3D file in your browser — GLB, GLTF, OBJ, FBX, STL, USDZ, PLY — with PBR rendering and HDRI lighting
 
-👉 **[🚀 Open Canva3D now](https://huggingface.co/spaces/ArtelTaleb/canva3d)**
+*No install · No account · No upload · 100% free · Works on all devices*
+
+[![Open Canva3D](https://img.shields.io/badge/🤗-Open%20Canva3D-yellow)](https://huggingface.co/spaces/ArtelTaleb/canva3d)
+[![License: MIT](https://img.shields.io/badge/License-MIT-green.svg)](https://opensource.org/licenses/MIT)
+[![Built with Three.js](https://img.shields.io/badge/Built%20with-Three.js-black)](https://threejs.org)
+
+</div>
 
 ---
 
-## ✨ Features
+## What is Canva3D?
 
-- **Formats:** GLB, GLTF, OBJ, FBX, STL, USDZ, PLY — drag & drop or file picker
-- **Rendering:** PBR materials with real-time HDRI environment lighting
-- **Animations:** Built-in animation playback with timeline control
-- **Export:** Screenshot (PNG) + video export (screen recording)
-- **Interface:** Wireframe mode, adjustable exposure & lighting, orbit controls
-- **No install:** Runs entirely in the browser via WebGL / Three.js
-- **Privacy-first:** Files never leave your machine — 100% client-side
+**Canva3D** is a free, browser-based 3D model viewer that opens any 3D file format instantly — no software to install, no account to create, no files uploaded to any server. Drag and drop a GLB, OBJ, FBX, STL, USDZ, GLTF, or PLY file and get professional PBR rendering with real-time HDRI environment lighting.
 
-## 🤖 Perfect for AI-generated 3D models
+Whether you're a 3D artist reviewing Blender exports, a game developer previewing Unity/Unreal assets, or an AI researcher inspecting outputs from TripoSR, InstantMesh, or Hunyuan3D — Canva3D is the fastest way to visualize 3D models online.
 
-Canva3D is the ideal viewer for outputs from AI 3D generation tools:
+## Supported 3D File Formats
 
-| Space | What it does |
-|-------|-------------|
-| [TripoSR](https://huggingface.co/spaces/stabilityai/TripoSR) | Image → 3D mesh (GLB) |
-| [InstantMesh](https://huggingface.co/spaces/TencentARC/InstantMesh) | Image → high-quality 3D |
-| [Zero123++](https://huggingface.co/spaces/sudo-ai/zero123plus-demo) | Single image → multi-view 3D |
-| [Shap-E](https://huggingface.co/spaces/hysts/Shap-E) | Text/image → 3D shape |
-| [CRM](https://huggingface.co/spaces/Zhengyi/CRM) | Image → high-res 3D |
-| [Hunyuan3D](https://huggingface.co/spaces/tencent/Hunyuan3D-2) | Text/image → high-res 3D mesh |
-| [TRELLIS](https://huggingface.co/spaces/JeffreyXiang/TRELLIS) | Image → 3D structured generation |
+| Format | Extensions | Typical Use |
+|--------|-----------|-------------|
+| **glTF / GLB** | `.gltf` `.glb` | Web 3D, AI generation output, Blender export |
+| **OBJ** | `.obj` `.mtl` | Universal exchange, sculpting output |
+| **FBX** | `.fbx` | Animation, game engines, Maya/3ds Max |
+| **STL** | `.stl` | 3D printing, CAD |
+| **USDZ** | `.usdz` | Apple AR, Pixar pipeline |
+| **PLY** | `.ply` | 3D scanning, photogrammetry, point clouds |
 
-Generate a model → drag & drop into Canva3D to visualize instantly.
+## Key Features
 
-## ❓ FAQ
+| Feature | Detail |
+|---------|--------|
+| 🖱️ **Drag & drop** | Open any 3D file instantly — no upload, no wait |
+| 🌟 **PBR rendering** | Physically-based materials with metalness, roughness, normal maps |
+| 🌄 **HDRI lighting** | Real-time environment lighting for photorealistic preview |
+| 🎬 **Animation playback** | Timeline with play, pause, scrub for GLB/FBX/glTF clips |
+| 📐 **Wireframe mode** | Inspect mesh topology and polygon density |
+| 📸 **Screenshot export** | Save PNG snapshots of your model |
+| 🎥 **Video recording** | Record turntable videos directly in-browser |
+| 💡 **Exposure control** | Adjust lighting intensity and environment |
+| 🔒 **100% client-side** | Files never leave your device — total privacy |
+| 📱 **All platforms** | Works on Mac, Windows, Linux, Android, iOS, iPad |
 
-**How do I open a GLB file online without installing software?**  
-Drag and drop your `.glb` file into Canva3D. The viewer runs entirely in your browser via WebGL — nothing is uploaded to a server.
+## Ideal for AI-Generated 3D Models
 
-**Can I open a USDZ file in my browser without an iPhone?**  
-Yes. Canva3D loads USDZ directly in any modern browser (Chrome, Firefox, Edge, Safari) on Mac, Windows, Linux, Android.
+Canva3D is the recommended viewer for outputs from AI 3D generation tools on Hugging Face:
 
-**What's the best free FBX viewer with no install?**  
-Canva3D supports FBX with embedded animations and PBR materials — no installation, no account.
+| AI Tool | Pipeline | Output Format |
+|---------|----------|---------------|
+| [TripoSR](https://huggingface.co/spaces/stabilityai/TripoSR) | Image → 3D mesh | GLB |
+| [InstantMesh](https://huggingface.co/spaces/TencentARC/InstantMesh) | Image → high-quality 3D | GLB / OBJ |
+| [Hunyuan3D](https://huggingface.co/spaces/tencent/Hunyuan3D-2) | Text/Image → 3D | GLB |
+| [TRELLIS](https://huggingface.co/spaces/JeffreyXiang/TRELLIS) | Image → structured 3D | GLB |
+| [Zero123++](https://huggingface.co/spaces/sudo-ai/zero123plus-demo) | Single image → multi-view | GLB |
+| [Shap-E](https://huggingface.co/spaces/hysts/Shap-E) | Text/Image → 3D shape | GLB / OBJ |
+| [CRM](https://huggingface.co/spaces/Zhengyi/CRM) | Image → high-res 3D | GLB |
 
-**Does Canva3D upload my models to a server?**  
-No. All rendering is client-side. Your files stay on your device.
+**Workflow:** Generate a 3D model with any AI tool → download GLB → drag into Canva3D → inspect, screenshot, record.
 
-**Can I view animations from my GLB / FBX / glTF model?**  
-Yes — the timeline panel auto-detects clips and lets you play, pause, scrub.
+## Use Cases
 
-**Is there a desktop version?**  
-Yes — see the Pro section below for batch processing, USDZ export, and offline use.
+- **3D artists** — quick review of Blender, Maya, ZBrush, Cinema 4D, Houdini exports
+- **Game developers** — preview assets before importing into Unity or Unreal Engine
+- **AI researchers** — inspect image-to-3D and text-to-3D generation outputs
+- **3D printing** — check STL geometry before sending to the printer
+- **Product visualization** — preview e-commerce 3D models without specialized software
+- **Architecture** — inspect architectural 3D models in the browser
+- **Education** — teach 3D modeling concepts with instant visualization
+- **Client delivery** — share a HF Space link instead of requiring software installation
+- **Photogrammetry** — view 3D scans and point clouds (PLY) directly
+- **NFT / Metaverse** — showcase 3D assets to buyers
 
-**What's the file size limit?**  
-The web version supports models up to a few hundred MB depending on browser RAM. The Pro desktop version has no limit.
+## How to Use
 
-**Can I use Canva3D for game development?**  
-Yes — preview your assets exported from Blender, Maya, ZBrush, or Substance before importing into Unity / Unreal Engine.
+1. **Open** [Canva3D](https://huggingface.co/spaces/ArtelTaleb/canva3d)
+2. **Drag & drop** your 3D file (or click to browse)
+3. **Explore** — orbit, zoom, toggle wireframe, adjust lighting
+4. **Export** — screenshot PNG or record video
 
-## ⬆ Pro Version / Version Pro
+No API key needed. No setup. It just works.
 
-**EN:** Get the desktop version with Pro features on [Gumroad](https://arteltaleb.gumroad.com/l/canva3d-pro):
-- USDZ export (iOS AR)
-- Batch processing (multiple files)
-- No file size limit
-- Local file access
-- Offline mode
-- No HF branding
+## Frequently Asked Questions
 
-**FR:** Obtenez la version desktop avec les fonctionnalités Pro sur [Gumroad](https://arteltaleb.gumroad.com/l/canva3d-pro) :
-- Export USDZ (AR iOS)
-- Traitement par lot (plusieurs fichiers)
-- Aucune limite de taille
-- Accès aux fichiers locaux
-- Mode hors-ligne
-- Sans branding HF
+**How do I open a GLB file online without installing software?**
+Drag and drop your `.glb` file into Canva3D. It runs entirely in your browser via WebGL.
 
----
+**Can I open USDZ files without an iPhone?**
+Yes. Canva3D loads USDZ directly in Chrome, Firefox, Edge, and Safari on any OS.
 
-## 🇫🇷 Version française complète
+**What's the best free FBX viewer online?**
+Canva3D supports FBX with animations and PBR materials — no install, no account.
 
-### Canva3D — Viewer 3D en ligne, gratuit, sans installation
+**Does Canva3D upload my files to a server?**
+No. All rendering is 100% client-side. Your files never leave your device.
 
-**Canva3D** est un visualiseur 3D entièrement gratuit qui fonctionne dans votre navigateur. Ouvrez n'importe quel modèle GLB, GLTF, OBJ, FBX, STL ou USDZ par simple glisser-déposer — aucune installation, aucun compte, aucun upload sur un serveur.
+**Can I view animations?**
+Yes — the timeline auto-detects animation clips in GLB, FBX, and glTF files.
 
-### Fonctionnalités principales
+**What's the file size limit?**
+The web version handles models up to several hundred MB depending on browser RAM. The Pro desktop version has no limit.
 
-- **Formats supportés :** GLB, GLTF, OBJ, FBX, STL, USDZ, PLY
-- **Rendu PBR** avec éclairage HDRI réaliste en temps réel
-- **Animations** intégrées : lecture, pause, timeline
-- **Mode wireframe**, capture PNG, export vidéo
-- **100% côté client** : vos fichiers ne quittent jamais votre machine
-- **WebGL / Three.js** — fonctionne sur Mac, Windows, Linux, Android, iOS
+**Can I use it for game development?**
+Yes — preview assets exported from Blender, Maya, ZBrush, or Substance Painter before importing into Unity or Unreal.
 
-### Pour qui ?
+**Is Canva3D open source?**
+Yes — MIT license.
 
-- **Artistes 3D** — review rapide d'assets exportés de Blender, Maya, ZBrush, Substance
-- **Développeurs de jeux** — preview avant import dans Unity ou Unreal Engine
-- **Créateurs IA** — visualiser les sorties de TripoSR, InstantMesh, Hunyuan3D, TRELLIS, Zero123++
-- **NFT / metaverse** — showcase de modèles 3D
-- **Clients & livraisons** — partager un lien sans imposer un logiciel à installer
+**Can I view 3D scans and photogrammetry output?**
+Yes — PLY point clouds and OBJ meshes from 3D scanners are fully supported.
 
-### FAQ rapide
+## Tech Stack
 
-- **Comment ouvrir un fichier GLB en ligne sans logiciel ?** Glissez-déposez dans Canva3D.
-- **Mes fichiers sont-ils uploadés ?** Non, tout est local au navigateur.
-- **Puis-je voir les animations ?** Oui, timeline intégrée.
-- **Visualiseur USDZ sans iPhone ?** Oui, Canva3D lit USDZ directement dans le navigateur.
+| Component | Technology |
+|-----------|-----------|
+| Renderer | Three.js + WebGL 2.0 |
+| Frontend | React + Vite |
+| Hosting | Hugging Face Spaces (static) |
+| License | MIT |
 
 ---
 
-## 🚀 Try it now / Essayer maintenant
+## ⬆️ Canva3D Pro — Desktop Version
 
-👉 **[Open Canva3D](https://huggingface.co/spaces/ArtelTaleb/canva3d)**
+Get the Pro desktop version on [Gumroad](https://arteltaleb.gumroad.com/l/canva3d-pro):
+
+| Feature | Free (Web) | Pro (Desktop) |
+|---------|:----------:|:-------------:|
+| All 3D formats | ✅ | ✅ |
+| PBR + HDRI | ✅ | ✅ |
+| Animations | ✅ | ✅ |
+| USDZ export (iOS AR) | — | ✅ |
+| Batch processing | — | ✅ |
+| No file size limit | — | ✅ |
+| Offline mode | — | ✅ |
+| Local file access | — | ✅ |
 
 ---
 
-*Built with Three.js · Runs 100% in browser · Open source · Made by [ArtelTaleb](https://huggingface.co/ArtelTaleb)*
+## 🇫🇷 Version française
+
+### Canva3D — Visualiseur 3D en ligne, gratuit, sans installation
+
+**Canva3D** est un visualiseur 3D entièrement gratuit qui fonctionne dans votre navigateur. Ouvrez n'importe quel modèle GLB, GLTF, OBJ, FBX, STL, USDZ ou PLY par simple glisser-déposer — aucune installation, aucun compte, aucun upload serveur.
+
+### Fonctionnalités
+
+- **Formats :** GLB, GLTF, OBJ, FBX, STL, USDZ, PLY
+- **Rendu PBR** avec éclairage HDRI en temps réel
+- **Animations** intégrées : lecture, pause, timeline
+- **Mode wireframe**, capture PNG, enregistrement vidéo
+- **100% côté client** — vos fichiers restent sur votre machine
+- **Tous appareils** — Mac, Windows, Linux, Android, iOS
+
+### Pour qui ?
+
+- **Artistes 3D** — review rapide d'exports Blender, Maya, ZBrush, Substance
+- **Développeurs de jeux** — preview avant import Unity ou Unreal Engine
+- **Créateurs IA** — visualiser les sorties TripoSR, InstantMesh, Hunyuan3D, TRELLIS
+- **Impression 3D** — vérifier la géométrie STL avant envoi à l'imprimante
+- **Photogrammétrie** — visualiser scans 3D et nuages de points PLY
+- **Clients** — partager un lien sans imposer de logiciel
+
+### FAQ rapide
+
+- **Comment ouvrir un GLB en ligne ?** Glissez-déposez dans Canva3D.
+- **Mes fichiers sont uploadés ?** Non, tout reste local.
+- **Viewer USDZ sans iPhone ?** Oui, Canva3D lit USDZ dans le navigateur.
+- **Animations supportées ?** Oui, timeline intégrée pour GLB, FBX, glTF.
 
 ---
 
-## 🔗 ArtelTaleb Creative Tools — Full Ecosystem
+## 🔗 More Free 3D Tools by ArtelTaleb
 
-| Tool | Description |
+| Tool | What it does |
 |------|-------------|
-| [Text3D Forge](https://huggingface.co/spaces/ArtelTaleb/text3d-forge) | Precise text on 3D models — extrude, texture, engrave |
-| [8VIEW AI Studio](https://huggingface.co/spaces/ArtelTaleb/8view-ai-studio) | AI topology reference sheets for character artists |
-| [Retopo 3D](https://huggingface.co/spaces/ArtelTaleb/retopo-3d) | Intelligent mesh retopology — GLB OBJ FBX STL PLY |
-| [Retext 3D](https://huggingface.co/spaces/ArtelTaleb/retext-3d) | AI texture generation for 3D models via FLUX |
-| [Hello 3D World](https://huggingface.co/spaces/ArtelTaleb/hello-3d-world) | LLM-controlled 3D scene — prompt = real-time action |
-| [Angle Studio](https://huggingface.co/spaces/ArtelTaleb/angle-studio) | Camera angle control for image-to-3D generation |
-| [3D Comics & Tone](https://huggingface.co/spaces/ArtelTaleb/3d-comics-tone) | Halftone, comic, kraft, anaglyph FX on images & 3D |
-| [Orbit 360 GIF](https://huggingface.co/spaces/ArtelTaleb/orbit-360-gif) | Turn any image into a 360° turntable GIF |
-| [AR Sticker 3D](https://huggingface.co/spaces/ArtelTaleb/ar-sticker-3d) | Place 3D models in augmented reality |
+| [🎯 8VIEW AI Studio](https://huggingface.co/spaces/ArtelTaleb/8view-ai-studio) | AI topology reference sheets for 3D character artists |
+| [✏️ Text3D Forge](https://huggingface.co/spaces/ArtelTaleb/text3d-forge) | Precise 3D text — extrude, texture, engrave on models |
+| [🔧 Retopo 3D](https://huggingface.co/spaces/ArtelTaleb/retopo-3d) | AI mesh retopology — GLB, OBJ, FBX, STL, PLY |
+| [🎨 Retext 3D](https://huggingface.co/spaces/ArtelTaleb/retext-3d) | AI texture generation for 3D models via FLUX |
+| [🌍 Hello 3D World](https://huggingface.co/spaces/ArtelTaleb/hello-3d-world) | LLM-controlled 3D scene — prompt = real-time 3D |
+| [📐 Angle Studio](https://huggingface.co/spaces/ArtelTaleb/angle-studio) | Camera angle control for image-to-3D pipelines |
+| [🎬 3D Comics & Tone](https://huggingface.co/spaces/ArtelTaleb/3d-comics-tone) | Halftone, comic, kraft, anaglyph effects on images & 3D |
+| [🔄 Orbit 360 GIF](https://huggingface.co/spaces/ArtelTaleb/orbit-360-gif) | Turn any image into a 360° turntable GIF |
+| [📱 AR Sticker 3D](https://huggingface.co/spaces/ArtelTaleb/ar-sticker-3d) | Place 3D models in augmented reality |
+| [🎵 MP3 Player](https://huggingface.co/spaces/ArtelTaleb/mp3-player) | Universal audio player — MP3, WAV, FLAC, OGG |
 
 **👁 Canva3D is the recommended viewer for outputs from every tool above.**
+
+---
+
+<div align="center">
+
+**Made by [ArtelTaleb](https://huggingface.co/ArtelTaleb)** — building free AI-powered creative tools for 3D artists
+
+[🚀 Open Canva3D](https://huggingface.co/spaces/ArtelTaleb/canva3d)
+
+</div>