顔練 KAOREN

顔練 KAOREN

Collaborative 3D face drawing - sketch together in real time

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KAOREN is a browser-based, real-time collaborative app for practicing face sketches with VRM 3D heads. Rotate or randomize the camera, switch expressions, and run 15–90s (or no limit) croquis rounds. Share a room to sync the exact 3D view, layers, and strokes via WebSocket. No install, no signup, and VRM files stay local (never uploaded).
This is the 2nd launch from 顔練 KAOREN. View more

KAOREN

Launched this week
Collaborative 3D face drawing - sketch together in real time
KAOREN is a browser-based, real-time collaborative app for practicing face sketches with VRM 3D heads. Rotate or randomize the camera, switch expressions, and run 15–90s (or no limit) croquis rounds. Share a room to sync the exact 3D view, layers, and strokes via WebSocket. No install, no signup, and VRM files stay local (never uploaded).
KAOREN gallery image
KAOREN gallery image
Free
Launch tags:Design Tools•Education•Drawing
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AppSignal
AppSignal
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What do you think? …

yoshifuji
Maker
📌
Hey Product Hunt! 👋 Try it here: https://kaoren.me I built KAOREN to solve two problems: 1️⃣ Static references lock you into fixed angles 2️⃣ Getting feedback on your drawing *process* is hard online 🎨 **Solo practice** - Load a built-in 3D character (or import your own VRM locally) - Run 15/30/60/90s croquis rounds with randomized angles & expressions - The camera always keeps the face perfectly framed - Export the 3D view + your sketch as a single PNG 👥 **Learning together (real-time collaboration)** - Create a room in one click and share the invite link - Everyone sees the same 3D view and draws on shared layers - Teachers can demonstrate brush strokes live while students follow along Technical notes: - Cloudflare Durable Objects + WebSocket for real-time sync - VRM files never leave your device (no uploads) - Works fully in the browser, no signup - 8 languages supported It’s completely free. I’d love feedback from art educators — what would make this more useful for teaching?