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Model Editor by VideoGame AI

A free, open-source game editor by VideoGame AI, built from Blender 5.2 compiled to WebAssembly, Code-OSS, three.js, TypeScript and React.

Node.js 24

For a model, run npx @volter/model-editor without arguments. It opens the current project, or prepares ~/Documents/Volter Models/Untitled Model with a saved cube and Chat ready. Later launches reopen that starter and preserve your edits.

What it's made of

| Part | Tool |

| Editor shell | VS Code (Code-OSS) | | Rendering | three.js | | Gameplay | TypeScript — src/models/track.play.ts | | UI | React — src/ui/ | | 3D modelling | Blender 5.2 compiled to WebAssembly |

Your agent

• Chat: Sign in with ChatGPT, or use the agent already installed on your machine. • Chat starts Codex or Claude Code when installed and signed in; other agents are available in its agent picker. • Each project declares a Blender MCP server for Claude Code and Codex. It passes the agent's requests to the editor's Blender, which runs them as bpy. • AGENTS.md explains how to interpret images, videos, specifications and existing assets; CLAUDE.md imports the same instructions. For a new game, the agent matches a static 3D scene and React UI screenshot to the visual reference before implementing gameplay, including framing, palette and color management. • New projects include tsconfig.json before the editor opens, ready for TypeScript play scripts and React UI source. • From the project folder, npx --no-install volter-model-editor chat status, chat send "your prompt", and chat stop control the same conversation visible in the editor. Sending is asynchronous; status reports busy state and pending requests.

Commands

Run from the project folder with npx --no-install volter-model-editor ; --help prints the full list.

| Command | What it does |

| create [--template models|playable] | A new project. | | add-play [folder] | Makes a models project playable: adds the Play and React UI dependencies, the manifest's UI root and resolution, the adapter's regionIncludes.ui, and — when the project has no *.play.ts yet — the example track.blend + track.play.ts + race-state.ts + src/ui/. Never overwrites a file; prints what it added, what it left and the next step (npm install when dependencies changed, then reload the editor). | | status | console | The editor's state, and its unresolved console entries. Entries print to stderr; the command exits 1 only for an unresolved error — warnings alone exit 0. eval ends by the same rule. | | eval | eval --list | Runs code against the live editor; --list prints what is in scope and a few common tasks. | | camera --position x,y,z --target x,y,z [--fov n] | Poses the current document's viewport camera. Coordinates are Blender's: metres, Z up (the command converts them to the stage's Y up). --fov is the vertical field of view in degrees. | | capture [--region document|play|page] [--out file.png [--force]] | Saves what the person sees as a PNG and prints its path (default .volter/captures/-.png). document is the active document with its overlays; play is the live Play frame with its UI. --out refuses to replace an existing file unless --force is given. | | screenshot [] | The active document's render, or a model file or entity staged on its own. | | chat status | chat send "" | chat stop | The editor's Chat conversation. |

Free and open source

• Price: free. • Editor: AGPL-3.0-only. • Blender and starter bpy scripts: GPL-3.0-or-later. • Other starter source: MIT.

Licences and notices

Model Editor by VideoGame AI · Source on GitHub