Is the Sliding doors 3D model free for commercial use?

Yes. It is free under the 1DesignTool 3D library license: use it in personal and commercial work — games, apps, websites, renders, ads and client projects — and modify it as you like, with no credit required. What you can't do is re-sell or re-distribute the file on its own or inside a model pack.

What file format is it, and how big is it?

A single binary glTF 2.0 file (.glb), 60 KB: 444 triangles, 1,332 vertices and 23 materials, modelled in metres at 4.3 m × 2.6 m × 40 cm.

Is Sliding doors animated?

Yes — the GLB carries a baked animation (8.0 s), ready to play with any glTF animation mixer.

Which engines and tools can open it?

Anything that reads glTF 2.0. three.js, React Three Fiber, Babylon.js, Godot 4 and Blender import the GLB directly; Unity and Unreal Engine load it through their glTF importers. The snippets above show the exact code for three.js, React Three Fiber, Godot and Blender.

How was the Sliding doors 3D model made?

Claude Code (Claude Opus 5.5) generated it inside 1DesignTool's 3D template from a written brief, then the design kit's checks verified the geometry and the GLB before it was published. You can make your own the same way with 1DesignTool.

FREEcommercial use · no sign-up

Sliding doors

A low-poly platform screen door unit for a subway station: two dark-glass leaves with a yellow warning band slide apart behind white fixed side panels, under a deep header with a line-colour band and a door-open lamp. It sits on a steel sill with a yellow tactile platform-edge strip and plays a seamless 8-second open-and-close loop.

Original GLB60 KB Poster

Left rail: colours and the 4 knobs the agent wrote into this model — they rebuild the geometry and go into your download. Right rail: looks for the viewer. Drag to orbit, scroll to zoom.

Triangles: 444
Vertices: 1,332
Meshes · materials: 23 · 23
Size (W × H × D): 4.3 m × 2.6 m × 40 cm
File: GLB · 60 KB
Animation: scene-motion · 8.0s
Style: Low-poly
Collection: Subway Station

Palette · named materials

tile white: fixed side panels#f4f1ec
tile white dark: header fascia#d7cebc
tile white light: header cap#f9f8f6
safety yellow: platform-edge strip, door warning bands#ffdd33
safety yellow dark: tactile ridges#e6bf00
safety yellow light: door-open lamp#ffea80
steel: sill plate, posts, leaf frames, lamp housing#7e8c9a
line colour: header line band (and side-panel bands above 0.5)#988e81
soot black: door glass, rubber nose seals#1b1b22
warm white: kick plates#f2ede2
mid grey: guide track, header soffit#7d828c

Use it

import { GLTFLoader } from "three/addons/loaders/GLTFLoader.js";

const gltf = await new GLTFLoader().loadAsync(
  "https://assets.stoicsoft.com/1designtool/3d/models/subway-station-sliding-doors/55bd13aa9a/model.glb"
);
scene.add(gltf.scene); // metres, +Y up, front faces +Z

const mixer = new THREE.AnimationMixer(gltf.scene);
gltf.animations.forEach((clip) => mixer.clipAction(clip).play());
// in your loop: mixer.update(delta)

How it was made

The brief given to 1DesignTool's “3D object” template:

Sliding doors for the Subway Station kit. Design it as one clear asset at believable real-world scale for that setting (state the size in metres in meta.notes), with its main parts modelled and named, readable at thumbnail size and from every orbit angle. It moves: author a seamless baked loop (2–12 s) with every pivot exactly at its hinge, axle or swivel, and keep the base still. This is one part of the Subway Station kit (Low-poly style, flat-lowpoly direction): A busy underground stop. Use ONLY the kit palette, by name: tile white #f4f1ec, safety yellow #ffdd33, steel #7e8c9a, line colour #988e81, tile white dark #d7cebc, safety yellow dark #e6bf00, tile white light #f9f8f6, safety yellow light #ffea80, soot black #1b1b22, warm white #f2ede2, mid grey #7d828c, dark wood #3d2a1c. Every material's `name` must be exactly the palette colour it uses — the GLB carries these names so the kit recolours as one; an unnamed material fails delivery. Kit knob: expose a param `lineColour` (0–1, default 0.5) for the kit's "Line colour" setting wherever it makes sense on this part, and keep that id.

Agent: Claude Code · Claude Opus 5.5 in 1DesignTool
Direction: Low-poly · family abstract-kinetic
three-check PASS · glb-lint PASS

Make your own with 1DesignTool →

Named parts · 6

Sliding doors
Sill
Frame and side panels
Header
Left leaf
Right leaf

Note: Size: 4.32 m wide (4.24 m at the sill), 2.64 m tall and 0.4 m deep, with a 1.9 m clear opening and 2.1 m leaves. The origin is the bottom centre of the sill, which rests on y = 0, and the platform side faces +Z; the leaves run on a track behind the fixed panels. The GLB holds one baked 8 s clip, 'scene-motion': the leaves finish opening, hold open, close, hold closed and start opening again. Each leaf's origin sits on its nose at the track centreline, so the motion is a pure X translation; the sill, frame and header never move. The rest pose (and preview) shows the leaves half open. The model has 444 triangles in 23 meshes and no textures. Every material is named exactly after a kit palette colour; 11 of the 12 colours are used (dark wood has no sensible place on a steel-and-glass door). The exporter writes one material per mesh, so a colour name repeats across materials: recolour by name. Params are baked into the GLB at their defaults and only change geometry when the scene is rebuilt in the viewer. lineColour (the kit's 'Line colour') sets the depth of the line-colour band on the header and adds matching bands on the side panels above 0.5; openAmount scales how far the baked clip opens the leaves. glb-lint: 0 errors and 5 advisory warnings (per-mesh duplicate materials and material count, non-indexed flat-shaded geometry, deliberate nesting of panels and kick plates between the posts, and height above the 1 m reference). plan-check passes except for its part-id regex, which rejects the hyphens in the slug-based ids this library requires; three-check accepts those ids and all 6 survive the GLB reload.

About the Sliding doors 3D model

Sliding doors is a free animated low-poly 3D model from the Subway Station set. It measures 4.3 m × 2.6 m × 40 cm (W × H × D) at real-world scale and is built from 444 triangles across 23 meshes, with 6 named parts and a baked animation (8.0 s). Download the 60 KB GLB and drop it into three.js, React Three Fiber, Godot or Blender — free for commercial use, no attribution required.

Is the Sliding doors 3D model free for commercial use?: Yes. It is free under the 1DesignTool 3D library license: use it in personal and commercial work — games, apps, websites, renders, ads and client projects — and modify it as you like, with no credit required. What you can't do is re-sell or re-distribute the file on its own or inside a model pack.
What file format is it, and how big is it?: A single binary glTF 2.0 file (.glb), 60 KB: 444 triangles, 1,332 vertices and 23 materials, modelled in metres at 4.3 m × 2.6 m × 40 cm.
Is Sliding doors animated?: Yes — the GLB carries a baked animation (8.0 s), ready to play with any glTF animation mixer.
Which engines and tools can open it?: Anything that reads glTF 2.0. three.js, React Three Fiber, Babylon.js, Godot 4 and Blender import the GLB directly; Unity and Unreal Engine load it through their glTF importers. The snippets above show the exact code for three.js, React Three Fiber, Godot and Blender.
How was the Sliding doors 3D model made?: Claude Code (Claude Opus 5.5) generated it inside 1DesignTool's 3D template from a written brief, then the design kit's checks verified the geometry and the GLB before it was published. You can make your own the same way with 1DesignTool.