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Swinging chain

A gold chain hanging from a braced timber stand, ending in a claw-set gem pendant. Baked pendulum loop swings the chain about the anchor ring while the base stays still.

Original GLB125 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: 2,312
Vertices: 1,928
Meshes · materials: 33 · 33
Size (W × H × D): 66 cm × 1.8 m × 85 cm
File: GLB · 125 KB
Animation: scene-motion · 4.2s
Style: Low-poly
Collection: Dragon's Hoard Cavern

Palette · named materials

rock#17161d
stone#7d828c
timber#3d2a1c
iron#1b1b22
chain#d0a225
trim#8f7019
hoard#debd63
gem#c32222

Use it

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

const gltf = await new GLTFLoader().loadAsync(
  "https://assets.stoicsoft.com/1designtool/3d/models/dragons-hoard-cavern-swinging-chain/10d569bee0/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:

Swinging chain for the Dragon's Hoard Cavern 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 Dragon's Hoard Cavern kit (Low-poly style, flat-lowpoly direction): A vast cave piled with treasure. Use ONLY the kit palette, by name: gold #d0a225, ruby red #c32222, obsidian #17161d, cave blue #2e67b8, gold dark #8f7019, ruby red dark #821717, gold light #debd63, ruby red light #db5757, 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 `dragonColourAndSize` (0–1, default 0.5) for the kit's "Dragon colour and size" setting wherever it makes sense on this part, and keep that id.

Agent: Devin · SWE-2 Max in 1DesignTool
Direction: Low-poly · family abstract-kinetic
three-check PASS · glb-lint PASS

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Named parts · 24

Swinging chain
Rock base
Dropped hoard
Timber post
Stone collar
Iron bindings
Beam arm
Arm strut
Anchor ring
Swing pivot
Chain
Link 1
Link 2
Link 3
Link 4
Link 5
Link 6
Link 7
Link 8
Link 9
Link 10
Pendant sway pivot
Bail and cap
Pendant gem

Note: Roughly 1.8 m tall — a display stand sized for a hoarded treasure chain: timber post set in a cavern rock, braced arm, gold links, claw-set gem. The animation is a baked 4.2 s rigid-transform clip (two pendulum periods); the swing pivot sits at the anchor ring's bore and the pendant pivot at the last link, so hinges are exact. Base, post, arm and anchor never move. dragonColourAndSize picks the gem colourway (cave blue / ruby red / warm white) and scales chain and gem — the shipped GLB carries the default 0.5 ruby variant. glb-lint reports only heuristics: per-mesh material clones (names preserved), intentional base/collar and bail embeds, and attached features its bounding-box test cannot see touching.