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Coast tiles

A low-poly 4 × 4 m Rocket Launch Site ground tile: pale faceted sand and a dune ridge around a sky-blue sea cove with white surf and swell crests, a steel boulder breakwater, a timber groyne, an orange channel buoy and an orange-and-white rocket-shaped range daymark. Every edge is flat, so copies tile seamlessly in every direction.

Coast tiles 3D model

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
5,860
Vertices
17,568
Meshes · materials
18 · 18
Size (W × H × D)
4.0 m × 2.2 m × 4.0 m
File
GLB · 461 KB
Animation
Static

Palette · named materials

  • white dark — dry sand surface and tile edges (base)#d7cebc
  • warm white — dune crest (base)#f2ede2
  • mid grey — rock bed, wet shingle shore, some breakwater boulders (earth)#7d828c
  • steel — breakwater boulders, shore pebbles (earth)#7e8c9a
  • sky blue — sea water (water)#2e67b8
  • white light — surf rim and swell crests (water)#f9f8f6
  • dark wood — groyne posts and waling plank (trim)#3d2a1c
  • launch orange — buoy float and top mark, daymark bands (accent)#ed7e1d
  • launch orange dark — daymark nose cone and fins (accent)#af590e
  • white — buoy band, daymark bands (trim)#f4f1ec
  • soot black — buoy mast, daymark footing (trim)#1b1b22

Use it

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

const gltf = await new GLTFLoader().loadAsync(
  "https://assets.stoicsoft.com/1designtool/3d/models/rocket-launch-site-coast-tiles/ae421b5a81/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:

Coast tiles for the Rocket Launch Site 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. Make it a ground piece on an exact 4 × 4 m footprint with flat edges at y = 0 that tile seamlessly with its neighbours in every direction; origin at the tile centre. This is one part of the Rocket Launch Site kit (Low-poly style, flat-lowpoly direction): Countdown at the coast. Use ONLY the kit palette, by name: white #f4f1ec, launch orange #ed7e1d, steel #7e8c9a, sky blue #2e67b8, white dark #d7cebc, launch orange dark #af590e, white light #f9f8f6, launch orange light #eea668, 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 `rocketDesign` (0–1, default 0.5) for the kit's "Rocket design" 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 · 10

  • Coast tile
  • Rock bed
  • Sand and dune
  • Wet shingle shore
  • Sea cove
  • Rock breakwater
  • Timber groyne
  • Channel buoy
  • Rocket range daymark
  • Shore pebbles

Note: Size: exactly 4.00 × 4.00 m in plan and 2.25 m tall at the tip of the range daymark (the sand alone peaks at about 0.55 m on the dune). The bottom rests on y = 0, the origin is at the tile centre and the front faces +Z. The rock bed is 0.04 m thick, the sand surface is at 0.20 m at every border and the sea surface is at 0.15 m. How it tiles: all sand relief fades to exactly 0.20 m within 0.30 m of every edge, so all four edges are flat at one height and in one colour (white dark) and meet any neighbour flush. Rotated copies tile too, and all props stay inside the borders. The sea is an enclosed cove inside the tile, not open water that runs across tile edges. The GLB has 5,860 triangles in 18 meshes, is static and carries no animation clip. Every material is named exactly after a kit palette colour (11 of the 12; white light is used for surf, launch orange light is unused). The exporter writes one material per mesh, so some names appear more than once; recolour by name. rocketDesign (the kit's 'Rocket design') styles the range daymark: from a stubby 1.2 m post with 3 bands and small fins at 0 to a slim 2.2 m rocket with 5 bands and larger fins at 1. coveSize scales the cove (radius 1.10 to 1.45 m); rockCount and postCount set the breakwater boulders and groyne posts. 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 and a slate stage disc so the pale sand keeps its tone; neither is in the GLB. glb-lint: 0 errors and 6 warnings, all expected: 18 materials over the direction's 10 (duplicates from the per-mesh export), non-indexed geometry on purpose for hard flat-shaded facets, overlapping boxes for nested pieces (sand/crest, rocks, buoy float/band), 'detached' flags for the water, surf, crests, footing and pebbles, which sit in or on the sand, and a scale warning because the tile is 2.25 m tall rather than 1 m. plan-check rejects only the hyphenated library part ids (its regex allows no hyphen); the same plan with the slug de-hyphenated passes. three-check and the GLB reload keep all 10 ids.

About the Coast tiles 3D model

Coast tiles is a free low-poly 3D model from the Rocket Launch Site set. It measures 4.0 m × 2.2 m × 4.0 m (W × H × D) at real-world scale and is built from 5,860 triangles across 18 meshes, with 10 named parts. Download the 461 KB GLB and drop it into three.js, React Three Fiber, Godot or Blender — free for commercial use, no attribution required.

Is the Coast tiles 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), 461 KB: 5,860 triangles, 17,568 vertices and 18 materials, modelled in metres at 4.0 m × 2.2 m × 4.0 m.
Can I animate Coast tiles?
It ships as a static mesh. Its 10 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 Coast tiles 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.

Free under the 1DesignTool 3D library license. Model #11 of 1920.