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Đỉnh Fansipan, Lào Cai

The summit of Fansipan, the Roof of Indochina, as a tabletop diorama: a green granite peak with the polished steel summit pyramid and national flag, a curved-roof temple on its terrace, stone stairs, a sea of clouds and a cable car arriving at its upper station. A 10-second loop moves the gondola, drifts the clouds and waves the flag.

Original GLB8.3 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: 345,912
Vertices: 288,213
Meshes · materials: 78 · 21
Size (W × H × D): 1.2 m × 76 cm × 96 cm
File: GLB · 8.3 MB
Animation: scene-motion · 10.0s
Style: Product
Collection: Landmarks

Palette · named materials

slate plinth#474D55
alpine scrub#46652B
weathered granite#68645D
dark summit rock#57524C
granite paving#B5AEA1
dwarf bamboo leaf#7E9C38
rhododendron leaf#2F4D2D
rhododendron blossom#D8506F
polished stainless steel#F2F4F6
flag red#D01F16
flag star yellow#FFC400
red lacquer#9C2A1E
glazed roof tile#8B4A2B
dark timber#4B2E20
lime plaster#EDE3CC
gilded bronze#C9A245
cloud#E6EBF1
white aluminium cladding#E6E9EC
tinted glass#2F4756
grey painted steel#5F676F
steel cable#34373C

Use it

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

const gltf = await new GLTFLoader().loadAsync(
  "https://assets.stoicsoft.com/1designtool/3d/models/dinh-fansipan/1e5a296f05/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 summit of Fansipan (3,143 m), the Roof of Indochina, as a diorama. The rocky alpine peak with weathered granite outcrops, dwarf bamboo and rhododendron shrubs; granite stone steps climbing to the summit marker — a polished stainless-steel triangular pyramid on a stone base (no text) beside a flagpole with the national flag (red with yellow star); a small temple with curved roofs on a terrace just below; a sea of clouds wrapping the lower slopes; a cable-car line with one modern gondola arriving at a stylised upper station. Loop (10 s): the gondola moves along its cable, the clouds drift slowly and the flag waves. 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, ref3.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 150,000 triangles (target 200,000–350,000) — 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 25 MB: index all geometry, instance repeated parts, no image textures.

Agent: Claude Code · Claude Opus 5.5 in 1DesignTool
Generation: 13.36M tokens (96% cached) · ≈ $8.64 at API prices · 5-hour plan +8%, weekly plan +1%
Direction: Product · family scenes
three-check PASS · glb-lint PASS

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Named parts · 21

Fansipan summit diorama
Slate plinth
Granite peak
Granite outcrops
Dwarf bamboo
Rhododendron shrubs
Granite stairs
Summit platform
Stainless summit pyramid
Flagpole
National flag
Temple
Temple terrace
Temple hall
Two-tier roof
Sea of clouds
Cable car
Upper station
Lattice pylon
Haul cables
Gondola

Note: Scale: the real summit (3,143 m) and roughly 1.2 km of ridge, cloud sea and cable line are compressed onto a 1.24 x 0.96 m slate plinth, about 1:1000 horizontally with the relief exaggerated. Built features are enlarged so they read: temple about 1:140, gondola about 1:90, summit pyramid about 1:35. The model is 0.756 m tall, in metres, with +Y up, the front facing +Z, and it rests on y = 0. 345,912 triangles (all indexed), 77 meshes, 21 named materials, no textures, 8.7 MB. Repeated parts (stair blocks, wall ashlar, posts, flagstones, roof-tile rows, bamboo, shrubs, boulders) are stamped from shared templates and merged per part and material instead of GPU-instanced, so the file loads the same in engines without EXT_mesh_gpu_instancing; the triangle count above is the true stored count. The 10 s 'scene-motion' clip is baked transforms only: the gondola runs a closed loop (up one line, round the bullwheel inside the station, down the other line, round a return sheave hidden inside the cloud bank); the cloud banks drift on closed ellipses; and the flag is 12 rigid hinged strips (no cloth) waving five times per loop. No lettering anywhere — the real marker's engraved name and altitude are deliberately left off. Each part group carries a 'dinh-fansipan.*' partId in its glTF extras; its primary mesh also carries a hyphen-free mirror id 'dinhfansipan.*', which the design kit's part-id grammar requires. Params change the geometry on rebuild in the viewer; the GLB is exported at the default values. glb-lint warnings (no errors): the triangle, draw-call and material counts exceed the product direction's defaults because this is a dense showpiece; the scale heuristic expects a 0.15 m product; and sibling-overlap/detached-part notes come from per-part, per-material mesh splits that sit inside their part groups.