Free 3D models for Unity
Free low-poly models that import into Unity as GLB, and a plugin that removes the download step entirely: browse the catalogue in an editor window, turn the same knobs the web viewer exposes, watch the model rebuild, and drop it into your project with your colours baked in. Real-world scale, origin on the ground, one material and one draw call each. No attribution, commercial use allowed.
Install the Unity plugin
- In Unity, open Window > Package Manager.
- Click + and choose "Add package from git URL".
- Paste
https://github.com/lucas-martinic/polyfork-unity-connector.gitand press Add. - Open Polyfork > Browse Assets, pick a model, and press Import.
Use a model in one line
Every free model is hotlinkable. This is the real snippet for Hanging Signboard:
// GLB: works in three.js, Unity, Godot, Blender
new GLTFLoader().load(
'https://polyfork.dev/cdn/hanging-signboard-c10e01.glb',
(gltf) => scene.add(gltf.scene)
);
// or the drop-in ES module (three.js, zero loaders):
import { createAsset } from 'https://polyfork.dev/cdn/hanging-signboard-c10e01.mjs';
scene.add(createAsset());
The plugin, in one paragraph
It is a Unity package called dev.polyfork.unity-connector, MIT licensed and installed from a git URL in about fifteen seconds. It adds a gallery window: search the whole catalogue, filter to free or remixable, preview any model in an orbitable 3D view, then open it to remix. Every label, range, option and colour it shows is read from the model's own published schema rather than written into the plugin, so a knob added to an asset on this site turns up in your editor without a plugin update. The source is on GitHub.
Remix in the editor, not on the website
These models are programs rather than frozen meshes, and the plugin exposes that where you are working. Drag a slider and the geometry rebuilds; pick a colourway and every part recolours at once. When you import, the .glb written into your project has your choices baked into its vertex colours, so it is a normal Unity asset from that point on with nothing to wire up.
Bakes run inside Unity, with no round trip
A knob change can rebuild the mesh two ways. On this site it takes about 120 ms and counts against an hourly allowance. In the editor it is instant and costs nothing, because the plugin runs the model's own program itself. That needs no setup: the JavaScript engine ships inside the package, editor-only by construction, so neither it nor its libraries can reach a player build and a shipped game keeps using the server.
What arrives in your project
A GLB at real-world scale with its origin on the ground, so it drops into a scene without rescaling. Colour lives in the vertices on a single material, so there are no textures to relink, no UV layout and no shader graph to rebuild: a model is a mesh and one material, and a set of them merges into a single draw call because they share it.
Using Godot, Blender or three.js instead?
Every model here is a plain GLB, which those import natively, and the same catalogue is free to browse without any plugin. The free GLB models page covers scale conventions and what survives an export.
What "low-poly" means here, in numbers
Every free model on this page, downloaded at once, is 10.1 MB. They are flat-shaded vertex colour on one material with no textures, which is where the size goes and why they draw in one call. Measured from the files being served right now, not rounded down for a landing page.
FAQ
Are the Unity models really free?
Yes. Every asset under 600 triangles is free forever, which is currently about half the catalogue, and free means the GLB and the ES module with no attribution and commercial use allowed. You do not need an account to browse or to hotlink, and the plugin works without one.
Does the plugin cost anything?
No. It is MIT licensed and open source. It talks to the public API, which answers without a key; an API key raises the hourly remix allowance and unlocks the paid catalogue.
Which Unity versions does it support?
Unity 6000.0 and newer. It depends on glTFast and Newtonsoft JSON, both resolved from Unity's own registry, and works with the built-in render pipeline and URP.
Can I use these models in a commercial game?
Yes, including the free ones, with no attribution required. The licence page has the exact terms.
Does it need any setup to remix inside the editor?
No. The JavaScript engine that runs each model's program ships inside the package, so sliders are instant from the moment you import it. It is editor-only: it cannot reach a player build, and a shipped game rebuilds through the API instead.
Do I have to use the plugin?
No. Every model downloads as a GLB you can drag into Assets, and Unity imports it directly. The plugin exists to remove the download-and-drag loop and to let you remix without leaving the editor.