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Sông Nhật Lệ, Quảng Bình

Tabletop diorama of the Nhật Lệ river mouth at Đồng Hới: a calm river meets the East Sea past a golden sand spit, with the Quảng Bình Quan citadel gate, blue-hulled fishing boats with painted bow eyes, basket boats and casuarina dunes on a slate plinth.

Original GLB3.6 MB 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: 134,846
Vertices: 83,553
Meshes · materials: 150 · 25
Size (W × H × D): 1.3 m × 23 cm × 1.1 m
File: GLB · 3.6 MB
Animation: scene-motion · 10.0s
Style: Product
Collection: Landmarks

Palette · named materials

plinth#4A5260
sea#2B6A8C
river#468273
sand#E7CD95
turf#7EA15E
needles#3F5F3B
brick#9A4632
timber#7C2F22
tile#3D4B5B
hull#2467B2
gunwale#B33A2B
foam#F1F6F0

Use it

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

const gltf = await new GLTFLoader().loadAsync(
  "https://assets.stoicsoft.com/1designtool/3d/models/song-nhat-le/dd3f97eb4e/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:

The Nhật Lệ River flowing through Đồng Hới to the East Sea, as a diorama of its mouth. A wide, calm river meets the sea past a golden sand spit; colourful wooden fishing boats (blue hulls with red trim and painted eyes on the bow) and round basket boats (thúng chai) moored along the bank; casuarina trees on the dunes; on the riverbank the Quảng Bình Quan citadel gate — a brick gate with an arched passage and a two-storey watchtower with a curved tiled roof. Loop (10 s): the boats bob and the river flows. Make it a polished, elegant model in the stylised-PBR direction: clean proportions, smooth curvature, soft bevels on every edge, crisp silhouettes and a restrained palette of named materials (name each material for what it is, e.g. "limestone", "red lacquer", "glazed roof tile", "sea water"); every material in the exported GLB must carry that name — set `material.name` on each one, because an unnamed material fails review. It must be recognisable at a glance as the real place. No text, lettering, logos or signage anywhere. Reference photos of the real place are in `reference/` (ref1.jpg, ref2.jpg): open and study them before planning if you can view images, and compare your hero capture with them before delivering. Natural sites and large complexes are presented as a tabletop diorama on a clean rounded plinth with slate-grey sides; state the real-world scale and the diorama scale in meta.notes. Hard requirement: the exported GLB must contain AT LEAST 100,000 triangles (target 120,000–200,000) — measure it before delivering. Spend the budget on real modelled detail (roof tiles, carvings, railings, mouldings, rock strata, foliage clusters, water surface, boats), never on invisible subdivision. Keep the GLB under 20 MB: index all geometry, instance repeated parts, no image textures.

Agent: Devin · SWE-2 Max in 1DesignTool
Direction: Product · family scenes
three-check PASS · glb-lint PASS

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Named parts · 29

Sông Nhật Lệ diorama
Plinth
Water
Sea
River
Current streaks
Land
South bank
North dunes
Sand spit
Quay wall
Quảng Bình Quan
Brick gate base
First storey
Lower roof
Second storey
Upper roof
Boats
Fishing boat 1
Fishing boat 2
Fishing boat 3
Fishing boat 4
Fishing boat 5
Fishing boat 6
Basket boat 1
Basket boat 2
Basket boat 3
Casuarina grove
Shore foam

Note: Real-world scale: the estuary slice shown is roughly 1.5-2 km across; the diorama is 1.30 m wide, so the landform is about 1:1200-1:1500. The gate tower, boats and trees are enlarged roughly 4-6x for legibility, as is usual for tabletop dioramas. Boats bob and current streaks drift downstream on a seamless 10 s baked loop. 25 named materials travel with the GLB (substance names like 'sea water', 'citadel brick', 'glazed roof tile').