Is the Lighthouse 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), 186 KB: 1,700 triangles, 5,100 vertices and 25 materials, modelled in metres at 9.3 m × 19 m × 10 m.

Can I animate Lighthouse?

It ships as a static mesh. Its 12 named parts are separate nodes, so you can move or animate each one in your engine.

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 Lighthouse 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.

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Lighthouse

A low-poly 19.3 m pier-head lighthouse for the Fishing Harbour kit. A tapering octagonal warm-white tower with sea-blue day-mark bands stands on a battered rubble-stone plinth with quay steps and boulders, and is crowned by a railed gallery and an open lantern room around an amber lens under a sea-blue cap.

Original GLB186 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: 1,700
Vertices: 5,100
Meshes · materials: 25 · 25
Size (W × H × D): 9.3 m × 19 m × 10 m
File: GLB · 186 KB
Animation: Static
Style: Low-poly
Collection: Fishing Harbour

Palette · named materials

warm white — tower shaft, porch walls, window sills (body)#f2ede2
sea blue — day-mark bands (accent)#2e67b8
sea blue dark — porch hood and lantern cap (accent)#1f457a
sea blue light — lantern pedestal wall (trim)#6190d1
grey stone — dry plinth and quay steps (stone)#9c958b
boat colours dark — wet stone and boulders below the tide mark (stone)#70685c
boat colours — plinth coping (trim)#988e81
boat colours light — gallery deck (trim)#b6b3af
mid grey — gallery corbel and dry boulders (stone)#7d828c
soot black — railing, lantern frame, shaft head band, windows, door lintel, ball and rod (metal)#1b1b22
rope tan — amber lens (glass)#bf9769
dark wood — entrance door (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/fishing-harbour-lighthouse/2ba64bd5f8/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:

Lighthouse for the Fishing Harbour 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 Fishing Harbour kit (Low-poly style, flat-lowpoly direction): Boats, nets and a sea wall. Use ONLY the kit palette, by name: sea blue #2e67b8, boat colours #988e81, rope tan #bf9769, grey stone #9c958b, sea blue dark #1f457a, boat colours dark #70685c, sea blue light #6190d1, boat colours light #b6b3af, 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 `tide` (0–1, default 0.5) for the kit's "Tide" 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 scenes
three-check PASS · glb-lint PASS

Make your own with 1DesignTool →

Named parts · 12

Lighthouse
Stone plinth
Quay steps
Boulders
Tower shaft
Entrance porch
Door
Windows
Gallery and railing
Lantern room
Lens
Lantern cap

Note: Size at the defaults: 19.3 m tall to the lightning-rod tip, with a footprint of about 9.3 m (x) × 10.2 m (z, including the quay steps). The plinth is a battered rubble-stone octagon 1.8 m high, 7.4 m across the flats at the foot, under a 0.2 m coping. The shaft is 12 m tall and tapers from 4.4 m to 3.1 m across the corners. The gallery deck sits at 14.85 m. The origin is on the tower axis at the plinth's underside, and the model rests on y = 0. The steps, porch and door face +Z, so the footprint runs 1 m further toward +Z. y = 0 stands for the rock or pier the light stands on. No water is included. tide (the kit's 'Tide') sets the tide mark from 0.15 m to 1.5 m up the plinth. Plinth stone below the mark is wet (boat colours dark) and stone above it is dry (grey stone). The quay steps and boulders change colour whole, so small slider moves can leave them unchanged. The GLB has 1,700 triangles in 25 meshes (counted from the GLB accessors), is static and carries no animation clip. Normals are baked flat (non-indexed). Every material is named exactly after one of the 12 kit palette colours, and all 12 are used. The exporter writes one material per mesh, so a colour name can appear on several materials; recolour by name. The lantern is an open frame with no glass, so the amber lens reads as the light. There is no emissive material or beam. Params are baked into the GLB at their defaults and change the geometry only when the scene is rebuilt in the viewer. Both extremes rendered and passed three-check with all 12 part ids: all-min (tide 0, 8 m shaft, no bands, taper 0.5) and all-max (tide 1, 18 m shaft, 4 bands, straight column). glb-lint: 0 errors and 6 heuristic warnings, all expected. They cover more than 10 materials and duplicate names (one material per mesh), non-indexed flat shading, nested band courses and windows, 'detached' heuristics for parts that rest on meshes in other parts (porch hood, door lintel, gallery), and the scale check for a subject taller than 1 m. plan-check rejects only the hyphenated library part ids, because its regex allows no hyphen; the same plan passes with the slug de-hyphenated. three-check and the GLB keep all 12 ids. Adapted from the shipping-port-lighthouse library asset, re-paletted, with a stone plinth, steps and boulders added. One fix round, visual only: the coping was darkened so the white tower separates from its base, and the top view was framed tighter.

About the Lighthouse 3D model

Lighthouse is a free low-poly 3D model from the Fishing Harbour set. It measures 9.3 m × 19 m × 10 m (W × H × D) at real-world scale and is built from 1,700 triangles across 25 meshes, with 12 named parts. Download the 186 KB GLB and drop it into three.js, React Three Fiber, Godot or Blender — free for commercial use, no attribution required.

Is the Lighthouse 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), 186 KB: 1,700 triangles, 5,100 vertices and 25 materials, modelled in metres at 9.3 m × 19 m × 10 m.
Can I animate Lighthouse?: It ships as a static mesh. Its 12 named parts are separate nodes, so you can move or animate each one in your engine.
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 Lighthouse 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.