Windows app · Blender · Claude
Describe a model.
Get a game-ready FBX, GLB, STL or OBJ pack.
Type what you need — “a medieval village: houses, a well, carts, fences”. Claude writes a procedural generator, Blender on your own PC builds every model, looks at the renders and fixes what is off. Out comes a pack: FBX and GLB, one palette texture, LODs, collision hulls, previews and a manifest.
Demo
One truck from the Modular Trucks pack, replayed part by part the way the generator builds it. The last stages were added later by asking for them in plain words.
How it works
- 01
Ask
Describe models, variants or a whole pack. Ask for more detail on one model and it grows new build stages.
- 02
Claude writes, Blender builds
Claude writes short Python generators. Blender on your PC builds them headless, renders previews, Claude checks them and fixes problems.
- 03
Export
FBX for Unity, Unreal, Roblox or Godot, plus GLB. Every build is re-imported and verified before you get the zip.
What you get
- Formats
- FBX (engine presets: Unity, Unreal, Roblox, Godot, Blender) and GLB · STL, OBJ, USDZ and more arrive in updates
- Per model
- LOD0–LOD2, UCX box collision, isometric preview, stage-by-stage renders
- Per pack
- One shared palette texture (+ emission), overview render, manifest.json with tris, size and hashes, README, zip
- Style
- Chunky low-poly with bevels; typical budgets: props 100–1,500 tris, vehicles 4–9k
- In the app
- 3D viewer with build replay, “+ Stages” to grow a model, variants and socket assemblies
- Requirements
- Windows 10/11 · Blender 4.2+ (free) · an Anthropic API key
Pricing
packgen early access
$15
$5 one-time
Pay once, keep every update. The price is $5 during early access and becomes $15 when the full version ships — buy now and the full version is included.
- The Windows app — no subscription
- Every update, including the full 1.0 release and new export formats
- Unlimited packs, models and builds — everything runs on your PC
- All export targets, LODs, collision, verification
Claude usage is billed by Anthropic to your own API key, not by us. The app shows the tokens of every run, and you choose the Claude model.
FAQ
Why my own Anthropic API key?
You pay Anthropic directly for exactly what you use, with no markup and no shared limits. The key stays on your computer and is sent only to api.anthropic.com.
Do I need to know Blender?
No. Install it once; packgen finds it and runs it in the background. Open the .blend or FBX files in Blender any time if you want to tweak by hand.
Who owns the models?
You do. Packs you generate are yours to use in commercial games and to sell.
Is it a subscription?
No. You pay once and get every update as it comes out. packgen is in early access, so the price is $5 now; when the full version is released it goes up to $15 for new buyers. If you already bought it, the full version is yours at no extra cost.
How do I get the app after paying?
The page after checkout shows your licence key and the download. Copy the key and bookmark that page: it shows the key again whenever you open it.
Mac or Linux?
Windows first. The engine runs on any OS with Blender; native builds for macOS and Linux are planned.