Is the Sorting gantry 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), 137 KB: 1,236 triangles, 3,708 vertices and 37 materials, modelled in metres at 2.8 m × 2.6 m × 1.4 m.

Is Sorting gantry 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 Sorting gantry 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

Sorting gantry

A low-poly pick-and-place sorting gantry: an orange bridge beam on two grey side frames, with a blue carriage and white mast that lifts parcels from a centre infeed tote into blue and white bins on a bench. It comes with a seamless 8-second sorting loop.

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: 1,236
Vertices: 3,708
Meshes · materials: 37 · 37
Size (W × H × D): 2.8 m × 2.6 m × 1.4 m
File: GLB · 137 KB
Animation: scene-motion · 8.0s
Style: Low-poly
Collection: Robot Factory

Palette · named materials

orange — bridge beam, gripper top plate, front-leg guard bands#ed7e1d
electric blue — carriage and mast guide, mast end stop, left bin, parcel tape, cabinet panel, lit stack-light segments#136dec
white — vertical mast, drive and Y-axis motors, right bin, control cabinet#f4f1ec
light grey — braces, mid rails, bench top, gripper fingers, anchor bolts#a3a5a8
light grey dark — uprights, top members, linear rail, cable tray, infeed tote, gripper head, mast rack strip#7c7f83
light grey light — unlit stack-light segment#cccccc
white dark — parcels (cardboard)#d7cebc
soot black — foot rails, bench legs, beam end caps, pins, finger pads, motor caps, stack-light pole#1b1b22

Use it

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

const gltf = await new GLTFLoader().loadAsync(
  "https://assets.stoicsoft.com/1designtool/3d/models/robot-factory-sorting-gantry/f3e14f25e6/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:

Sorting gantry for the Robot Factory 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 Robot Factory kit (Low-poly style, flat-lowpoly direction): A clean line that builds robots. Use ONLY the kit palette, by name: white #f4f1ec, light grey #a3a5a8, electric blue #136dec, orange #ed7e1d, white dark #d7cebc, light grey dark #7c7f83, white light #f9f8f6, light grey light #cccccc, 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 `lineSpeed` (0–1, default 0.5) for the kit's "Line speed" 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 · 12

Sorting gantry
Side frames
Bridge beam
Sorting bench and bins
Control cabinet
Stack light
Carriage
Vertical mast
Gripper head
Left finger
Right finger
Parcel

Note: Size: 2.64 m tall to the top of the mast (the bridge beam's top is 2.22 m). It is about 2.79 m wide, from the stack-light end of the beam to the cabinet face, and 1.40 m deep across the foot rails, at the default 2.4 m frame span. The origin is at the bottom centre of the footprint, the foot rails rest on y = 0, and the gripper side faces +Z. The GLB has 1,236 triangles. Every material is named exactly after a kit palette colour (8 of the 12 are used: white light, warm white, mid grey and dark wood are not). The exporter writes one material per mesh, so a colour name repeats across materials: recolour by name. The GLB holds the rest pose and one baked 8 s seamless clip, 'scene-motion'. In the clip the carriage slides along the beam and the mast slides through the carriage guide, both as pure translations. The fingers swing on their pin axes. The carried parcel is shown or hidden by scale: it shrinks to near zero once released inside a bin and reappears inside the infeed tote, below the tote rims. The frames, beam, bench, bins, cabinet and stack light never move. Params are baked into the GLB at their defaults and change the model only when the scene is rebuilt in the viewer. span widens the frames, the beam, the bench and the bin spacing. gripOpen sets how far the fingers swing open. lineSpeed (the kit's 'Line speed') sets how many picks fit into the 8 s loop: 1 at 0, 2 at the default and 3 at 1. Each pick alternates between the left and right bin, and the same number of stack-light segments light blue. glb-lint: 0 errors. Its verdict prints UNVERIFIED only because no host requirements contract was supplied. It also gives 6 heuristic warnings, all expected for this build: material count above the direction default and duplicate materials (both from one material per mesh), non-indexed flat-shaded geometry, deliberate nesting (braces and rails welded into the uprights), parts that touch across groups (the cabinet on the mid rail, the stack light on the beam) and height against the direction's 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 12 survive the GLB reload.

About the Sorting gantry 3D model

Sorting gantry is a free animated low-poly 3D model from the Robot Factory set. It measures 2.8 m × 2.6 m × 1.4 m (W × H × D) at real-world scale and is built from 1,236 triangles across 37 meshes, with 12 named parts and a baked animation (8.0 s). Download the 137 KB GLB and drop it into three.js, React Three Fiber, Godot or Blender — free for commercial use, no attribution required.

Is the Sorting gantry 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), 137 KB: 1,236 triangles, 3,708 vertices and 37 materials, modelled in metres at 2.8 m × 2.6 m × 1.4 m.
Is Sorting gantry 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 Sorting gantry 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.