Blank is a 3D engine for
living and breathing worlds.

Faceted cobalt planet encircled by a silver-blue ring and three small moons. — “A cobalt planet with a quiet ring of moons.”

Coral and pink faceted petals around a golden centre on a green stem. — “A coral flower reaching toward the light.”

Jade, mint and lime tree canopy on a moss-covered floating stone island. — “A jade tree on a small floating island.”

Five sea-green circular ripples rising toward a small golden sphere. — “Sea-green ripples around a warm little sun.”

Suspended violet crystal in an ivory and silver open lantern. — “A violet crystal turning inside a stone lantern.”

It starts with
a sentence.

Tell your AI what you want to make.
It writes a short recipe, and Blank builds it in 3D.

planet.json
```
{
  "id": "planet",
  "material": "blue",
  "geometry": {
    "kind": "ico_sphere",
    "radius": 0.9
  }
}
```
1 Your AI writes the recipe.

A recipe is a small text file. It lists each part by name, with its shape, colour and movement.
Blank engine

2 Blank builds it.

The engine turns the recipe into a 3D model, then renders its light, colour and motion.
your-creation.glb

3 You take it with you.

Export a .glb file for your game or app. Keep the recipe, and you can change it later.

Change one thing
at a time.

The original cobalt planet with its ring and moons. — “Turn the blue to pink.”

Only the colour changed. The shape, the moons
and the motion are exactly as they were.

Make the orbit slower.

Movement is part of the recipe too. Here one number changed, and the moons now take 12 seconds to go around instead of 6.

orbit.json

Before: 6 s per orbit

orbit.json

After: 12 s per orbit

orbit.animation.angular_velocity 1.047 → 0.524 rad/s

Light by design.

Each recipe sets a limit on triangles, so the files stay small enough for games. These five are real Blank exports. Open one in any 3D viewer.

orbit.glbA cobalt planet with a quiet ring of moons. 1,408 triangles 6 named parts 172 KB Download
bloom.glbA coral flower reaching toward the light. 820 triangles 12 named parts 101 KB Download
grove.glbA jade tree on a small floating island. 732 triangles 13 named parts 92 KB Download
tide.glbSea-green ripples around a warm little sun. 4,160 triangles 6 named parts 468 KB Download
lantern.glbA violet crystal turning inside a stone lantern. 432 triangles 10 named parts 58 KB Download

Rust at the core.

The engine is written in Rust. The same code renders and exports, and it drew each frame of this clip.

Rust, simplified

// Load the recipe, then render each frame.
let world = Document::import_json(&recipe)?;
let mut renderer = Renderer::new(&gpu, format).await?;
renderer.replace(&world, root)?;

for frame in &frames {
    let pixels = renderer.capture(size, camera, frame.seconds, None)?;
    save(frame, pixels)?;
}

tide.json · 144 frames

Rendered by Blank, one frame at a time.

Coming soon.

Blank is not available to the public yet. We are testing it privately, and it will be available very soon.

It starts witha sentence.

1 Your AI writes the recipe.

2 Blank builds it.

3 You take it with you.

Change one thingat a time.