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About

Eighteen-tread spiral access stair rising 2.88 m around a central iron mast. Dimensions 2.04 × 3.64 × 2.04 m (X × Y × Z). Metre units, +Y up, +Z front; origin on the ground at the footprint centre unless stated. Damp masonry, black iron, weathered timber and aged brass. Static geometry; no rig, animation, collision or navigation data.

Use with an AI agent

Copy this prompt into your AI chat, then describe what you want to build with the asset.

Use the “Spiral Stair To Surface (Undercity Sewers and Thieves Den)” asset in my project.

Model: https://cdn.3dassets.dev/assets/17622/v1/model.glb
Asset page: https://3dassets.dev/assets/undercity-sewers-and-thieves-den-spiral-stair-to-surfa-3dd687c7
Description: Eighteen-tread spiral access stair rising 2.88 m around a central iron mast.

- Dimensions (X × Y × Z): 2.04 × 3.643 × 2.04 metres
- Triangles: 4.6k
- Animations: none
- Licence: CC0 1.0 Universal (https://creativecommons.org/publicdomain/zero/1.0/)
- Loading: Three.js GLTFLoader; no additional decoders required.

Also available as JSON, Markdown, or via the MCP server.

Import manually

Choose your framework, then copy the code into your project to load the asset.

import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js'

const loader = new GLTFLoader()
loader.load('https://cdn.3dassets.dev/assets/17622/v1/model.glb', (gltf) => {
  scene.add(gltf.scene)
})

Spiral Stair To Surface (Undercity Sewers and Thieves Den)

Eighteen-tread spiral access stair rising 2.88 m around a central iron mast.

Download asset · 216.3 KB

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