Is the Shells 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), 304 KB: 4,092 triangles, 12,276 vertices and 18 materials, modelled in metres at 58 cm × 22 cm × 44 cm.

Can I animate Shells?

It ships as a static mesh. Its 6 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 Shells 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

Shells

A low-poly cluster of beach shells for the Tropical Island kit: a queen conch with a crowned spire and a coral mouth, a coral-ribbed scallop, a speckled cowrie, a striped turret shell and a small pale scallop, all resting on the sand.

Original GLB304 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: 4,092
Vertices: 12,276
Meshes · materials: 18 · 18
Size (W × H × D): 58 cm × 22 cm × 44 cm
File: GLB · 304 KB
Animation: Static
Style: Low-poly
Collection: Tropical Island

Palette · named materials

sand light — conch and turret bands, scallop undersides (body)#e6ddcb
sand — conch and turret bands, cowrie flanks, small-scallop bands (body)#d1bd94
sand dark — conch knobs, cowrie back, shell apexes, turret mouth (trim)#ba9c5e
warm white — conch lip, scallop bands, cowrie spots, small-scallop ribs (body)#f2ede2
coral — conch mouth, scallop ribs and ears (accent)#e2715a
dark wood — turret spiral stripe (trim)#3d2a1c

Use it

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

const gltf = await new GLTFLoader().loadAsync(
  "https://assets.stoicsoft.com/1designtool/3d/models/tropical-island-shells/628e72e0a9/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:

Shells for the Tropical Island 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 Tropical Island kit (Low-poly style, flat-lowpoly direction): Palm beach and blue lagoon. Use ONLY the kit palette, by name: sand #d1bd94, turquoise #31c4b8, palm green #3a883a, coral #e2715a, sand dark #ba9c5e, turquoise dark #22877e, sand light #e6ddcb, turquoise light #6dd5cc, 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 `islandSize` (0–1, default 0.5) for the kit's "Island size" 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 products
three-check PASS · glb-lint PASS

Make your own with 1DesignTool →

Named parts · 6

Shells
Queen conch
Scallop
Cowrie
Turret shell
Small scallop

Note: Size: about 0.58 m wide × 0.44 m deep × 0.22 m tall at the defaults. The queen conch is about 23 cm long and lies on its side with the flared lip up, which makes it the tallest piece (0.22 m). The scallop is about 18 cm, the turret 15 cm, the small scallop 11 cm and the cowrie 10 cm. Origin is the bottom centre of the cluster's footprint, and every shell is bedded a few millimetres into y = 0, so its base is flat on the ground. The shells sit apart and do not touch each other. The GLB has 4,092 triangles in 18 meshes, is static and carries no animation clip. Every material is named exactly after a kit palette colour. 6 of the 12 colours are used; turquoise (all three), palm green, soot black and mid grey are not. The exporter writes one material per mesh, so a colour name appears on several materials; recolour by name. islandSize (the kit's 'Island size') scales every shell by 0.85–1.15×, so a bigger island washes up bigger shells. shellCount 3 keeps the conch, scallop and cowrie, 4 adds the turret and 5 adds the small scallop. spire raises or flattens the conch's spire, and ribs sets the scallop's rib count (the small scallop gets two fewer). Params are baked into the GLB at their defaults and change the geometry only when the scene is rebuilt in the viewer. Only the defaults were rendered and checked. The viewer uses exposure 0.62 rather than the direction's 1.05; this does not affect the GLB. glb-lint: 0 errors and 5 warnings, all expected: material count and duplicate same-named materials from the per-mesh export; non-indexed geometry (deliberate, for hard flat-shaded facets); sibling-box overlap (each shell's colour meshes share one shell); and a 0.22 m height against the direction's 1 m reference height (shells are small). plan-check rejects only the hyphenated library part ids, because its regex allows no hyphen; the same plan with the slug de-hyphenated passes. three-check and the GLB keep all 6 ids.

About the Shells 3D model

Shells is a free low-poly 3D model from the Tropical Island set. It measures 58 cm × 22 cm × 44 cm (W × H × D) at real-world scale and is built from 4,092 triangles across 18 meshes, with 6 named parts. Download the 304 KB GLB and drop it into three.js, React Three Fiber, Godot or Blender — free for commercial use, no attribution required.

Is the Shells 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), 304 KB: 4,092 triangles, 12,276 vertices and 18 materials, modelled in metres at 58 cm × 22 cm × 44 cm.
Can I animate Shells?: It ships as a static mesh. Its 6 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 Shells 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.