Skip to content
Agents tracked: 378 Downloads (7d): 244M down 5.7% GitHub stars: 8.4M VS Code installs: 151M Releases (7d): 407 Agent status: 1 with issues Updated Oct 10, 2026

Quaternius

Free 3D asset packs under the Quaternius Asset License, usable in commercial games.

3D models Library

Price
Free
Assets free; Patreon support for the All-in-One file.
Commercial use
Yes
Quaternius Asset License (QAL) v1.0
Credit the author
Not needed
No credit needed
Agent access
Download only

Rules for your agent

- Quaternius (3D models). Free 3D asset packs under the Quaternius Asset License, usable in commercial games. Price: free; commercial use OK; no credit needed; ship inside your app with conditions.
  Connect: download from https://quaternius.com (no API).
  Rule: Ship assets only inside a completed product.
  Rule: Do not extract, repackage, sublicense, sell or redistribute the assets on their own.
  License: https://quaternius.com/license.html (checked 2026-10-10; details: https://agentgid.com/assets/quaternius/)

Paste it into your prompt or AGENTS.md. It is built from the license and API terms below.

License

LicenseQuaternius Asset License (QAL) v1.0
Commercial useCommercial use OK
CreditNo credit needed
Inside your app or gameShip inside your app with conditions
AI trainingNot stated
Bots and bulk downloadsNot stated
Rules
  • Ship assets only inside a completed product.
  • Do not extract, repackage, sublicense, sell or redistribute the assets on their own.

Connect it to an agent

MCP serverNone found
APINo public API: download by hand

Pricing

FreeAssets free; Patreon support for the All-in-One file.
Paid from—
Usage price—
Good to knowThe license is a custom QAL v1.0, not plain CC0.

Sources

Read on Oct 10, 2026: quaternius.com/, quaternius.com/license.html.

Not confirmed: Patreon tier prices not stated on the official site.

Not legal advice. Check the license page before you ship.

Alternatives to Quaternius

All 3d models

Pick for your agentSourcePriceLicense Agent access
blender-mcp
Community MCP server and Blender add-on that lets agents drive Blender and pull Poly Haven, Sketchfab, Poly Pizza assets.
Free Commercial OK Credit varies Community MCP
CGTrader
3D model marketplace with an OAuth2 API for search, purchase and bulk download (by application).
Free tier · from $9.99/mo Commercial: conditions No bots API
Icosa Gallery
Open-source community 3D gallery with a public REST API and per-asset Creative Commons licenses.
Free Commercial: conditions Credit varies API
Poly Haven
CC0 HDRIs, textures and 3D models with a free, keyless public API.
Free Commercial OK Credit (API) No bots API MCP (community)
Poly Pizza
10,700+ free 3D models under per-model Creative Commons licenses, with an API.
Free Commercial: conditions Credit varies No AI training No bots API MCP (community)
Sketchfab
3D model platform with 1M+ free CC models, a Data API and a Download API (glTF/GLB/USDZ).
Free tier Commercial: conditions Credit varies API MCP (community)
Smithsonian Open Access
CC0 Smithsonian collection records and 3D models, with a REST API (api.data.gov key) and an alpha 3D API.
Free Commercial: conditions No credit API
Blendkit
Blender add-on library of models, materials and HDRIs under Royalty Free or CC0 (formerly BlenderKit).
Free tier · from $8.9/mo Commercial: conditions No credit Download