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Spare limbs

Spare parts for a giant repair-bay robot: an armoured mech leg held upright in a safety-yellow standing jig and a mech arm with a forearm missile pod and three-fingered hand resting on padded cradles, all on a hazard-striped transport skid.

Original GLB137 KB Poster

Left rail: colours and the 3 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: 2,260
Vertices: 4,042
Meshes · materials: 33 · 10
Size (W × H × D): 7.3 m × 5.0 m × 3.0 m
File: GLB · 137 KB
Animation: Static
Style: Low-poly
Collection: Mech Hangar

Palette · named materials

armour (navy)#1c2a54
frame (steel grey dark)#525860
metal (steel grey)#757e8a
rod (steel grey light)#a3a5a8
joint (soot black)#1b1b22
flange (red)#c32222
support (safety yellow)#ffdd33
plate (safety yellow dark)#e6bf00
hose (mid grey)#7d828c
pad (dark wood)#3d2a1c

Use it

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

const gltf = await new GLTFLoader().loadAsync(
  "https://assets.stoicsoft.com/1designtool/3d/models/mech-hangar-spare-limbs/4f9dcf0bca/model.glb"
);
scene.add(gltf.scene); // metres, +Y up, front faces +Z

How it was made

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

Spare limbs for the Mech Hangar 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. This is one part of the Mech Hangar kit (Low-poly style, flat-lowpoly direction): A bay where giant robots are repaired. Use ONLY the kit palette, by name: steel grey #757e8a, safety yellow #ffdd33, navy #1c2a54, red #c32222, steel grey dark #525860, safety yellow dark #e6bf00, steel grey light #a3a5a8, 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 `mechColourAndLoadout` (0–1, default 0.5) for the kit's "Mech colour and loadout" setting wherever it makes sense on this part, and keep that id.

Agent: Claude Code · Claude Opus 5.5 in 1DesignTool
Generation: 3.52M tokens (95% cached) · ≈ $2.74 at API prices
Direction: Low-poly · family products
three-check PASS · glb-lint PASS

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Named parts · 8

Spare limbs
Transport skid
Spare leg
Leg standing jig
Spare arm
Hand
Forearm weapon pod
Arm cradles

Note: Default size 7.2 m long × 3.0 m deep × 4.97 m tall, sized for the kit's ~10 m mech. The leg stands 4.2 m from skid deck to hip flange and the arm is about 4.9 m from shoulder socket to fingertips. Origin is at bottom centre and the front (+Z) shows the hand's palm side and the leg's toes. 2,260 triangles and 10 flat-shaded materials, each named after the palette colour it uses. Static, with no animation clip. mechColourAndLoadout sets the armour colour (warm white below 0.33, navy up to 0.66, red above; sockets turn warm white when the armour is red) and the forearm loadout (bare hardpoint rail, then a 6-tube missile pod, then a twin cannon). legHeight stretches the shin and thigh, and the jig's clamp follows the knee. fingerCurl closes the hand. Each part has an outer node with the library id (mech-hangar-spare-limbs.*) and an inner '<part>-meshes' node with the hyphen-free id the kit's plan validator needs (mechhangarsparelimbs.*). glb-lint reports 0 errors and 3 heuristic warnings, all expected: deliberately nested or embedded part boxes; the pod mount touching the forearm, which is a different part; and a ~5 m height against the direction's 1 m reference.