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/6910/v2/model.glb Asset page: https://3dassets.dev/assets/undercity-sewers-and-thieves-den-spiral-stair-to-surfa-63ccf4d3 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/6910/v2/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.
More in Environments & Scenes
Christmas Village (North Pole Village)
Composed example for North Pole Village.
Weekly shop unpacked (Fresh Produce and Groceries)
Composed example for Fresh Produce and Groceries.
Route connector cases (Mountaineering and Summit Expedition)
Composed example for Mountaineering and Summit Expedition.
Christmas village square (Christmas Village)
Composed example for Christmas Village.
Quiet Lake: A Morning on the Dock (Quiet Lake Fishing)
Composed example for Quiet Lake Fishing.
Angler’s Corner (Quiet Lake Fishing)
Composed example for Quiet Lake Fishing.
Lake Water Tile (Quiet Lake Fishing)
6 m square opaque stylized water tile with subtle cream ripple strokes; no custom shader.
Market vegetable stall (Fresh Produce and Groceries)
Composed example for Fresh Produce and Groceries.
Greengrocer's fruit display (Fresh Produce and Groceries)
Composed example for Fresh Produce and Groceries.
Rental shop interior (Snowboard Gear and Freestyle Riders)
Composed example for Snowboard Gear and Freestyle Riders.
Xeno Menagerie Lineup (Xeno Species and Alien Creatures)
Composed example for Xeno Species and Alien Creatures.
Shaft bottom station (Underground Mine and Shaft Works)
Composed example for Underground Mine and Shaft Works.
Similar assets
Spiral Stair (Vampire Crypt and Gothic Cathedral)
Open spiral stair on a 0.5 m newel: sixteen wedge treads climbing 3.15 m through three quarters of a turn within a 3 m circle, with an iron handrail.
Orbital Field Station: Platform access stairs
Four-step steel access stair with open handrails and a 0.8 m total rise.
Greybox spiral stair half-turn segment (Modular Greybox Architecture Kit)
A stackable spiral stair segment: twelve wedge winders sweeping 180 degrees around a 0.24 m column, climbing 1.5 m, with balusters and a helical outer handrail.
Factory access stairs (Factory Conveyor Network)
Factory access stairs for modular factory and automation scenes.
Spiral Stair (Arena Shooter Map Kit)
Spiral Stair with bevelled gothic-industrial construction and static fittings.
Two tread pitch access step (Football Soccer Club Grounds)
1.2 m wide two tread step with a contrasting upper nosing.
Greybox straight stair 3 m rise (Modular Greybox Architecture Kit)
A straight 1.4 m wide flight climbing the full 3 m storey inside a 4 m bay: 16 risers, a sloped soffit, dark tread nosings and a two-rail guard on both sides.
Surface EVA suit (Lunar Surface Colony and Rovers)
A 1.95 m surface extravehicular suit standing on the regolith: a hard upper torso on a hip bearing, jointed arms and legs on named nodes, a bubble helmet with a gold sun visor, a life support backpack with a valve panel and comms whip, and dust-stained overboots.
Communications relay mast (Lunar Surface Colony and Rovers)
A 9.5 m guyed lattice relay mast on four ballasted footings: eight braced bays, three guy wires to anchor blocks, a 2.1 m steerable dish on a yoke as a named node, three whip antennas, a photovoltaic panel and a ground equipment box.
Stairs Straight 4 m (Medieval Castle Construction)
4 m rise stone stair flight; 0.25 m risers and 0.375 m treads, 2 m clear width.
Stairs Straight 1m (Medieval Castle Construction)
1 m rise stone stair flight; 0.25 m risers and 0.375 m treads, 2 m clear width.
Stairs Straight 2m (Medieval Castle Construction)
2 m rise stone stair flight; 0.25 m risers and 0.375 m treads, 2 m clear width.