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Pressure lock

A low-poly airlock chamber for a sea-floor research base: a white octagonal pressure hull on steel saddles with a heavy round hinged hatch in a yellow-and-black hazard ring, status lamps, strapped gas tanks and a yellow docking collar at the back.

Original GLB231 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: 2,912
Vertices: 8,736
Meshes · materials: 30 · 30
Size (W × H × D): 3.7 m × 3.6 m × 4.3 m
File: GLB · 231 KB
Animation: Static
Style: Low-poly
Collection: Underwater Research Dome

Palette · named materials

hull#f4f1ec
bulkhead#1b447e
hazard#eecd2b
soot#1b1b22
frame#0d223f
inner#2e67b8
tank#29a3a3
saddle#7d828c
glass#88dddd
lamp#47d1d1
lens#f2ede2

Use it

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

const gltf = await new GLTFLoader().loadAsync(
  "https://assets.stoicsoft.com/1designtool/3d/models/underwater-research-dome-pressure-lock/d3cbc7c149/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:

Pressure lock for the Underwater Research Dome 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 Underwater Research Dome kit (Low-poly style, flat-lowpoly direction): A science base on the sea floor. Use ONLY the kit palette, by name: deep blue #1b447e, aqua #47d1d1, yellow #eecd2b, white #f4f1ec, deep blue dark #0d223f, aqua dark #29a3a3, deep blue light #2e67b8, aqua light #88dddd, 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 `depthAndLight` (0–1, default 0.5) for the kit's "Depth and light" setting wherever it makes sense on this part, and keep that id.

Agent: Claude Code · Claude Opus 5.5 in 1DesignTool
Generation: 2.46M tokens (94% cached) · ≈ $2.11 at API prices · 5-hour plan +6%
Direction: Low-poly · family scenes
three-check PASS · glb-lint PASS

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Named parts · 14

Pressure lock
Hull
Hoop ribs
Front bulkhead
Hatch frame
Outer hatch
Status lamps
Walkway deck
Inner bulkhead and hatch
Docking collar
Side viewports
Gas tanks
Beacon
Saddles

Note: About 3.7 m wide (across the side tanks) x 3.6 m tall (beacon top) x 3.75 m long at the default 3 m chamber length. The hull is 2.6 m across flats with a 0.1 m wall; the hatch opening is 1.56 m across, with its sill level with the walkway deck. The chamber axis runs along Z and the outer hatch faces front (+Z). The origin is at the bottom centre, and only the saddle foot pads touch y = 0. The back docking collar uses the kit's tube-corridor hull radius and 1.89 m axis height, so the two parts line up. The outer hatch is hinged on its -X side and swings outward (doorOpen 1 = 105 degrees). The hatch-pivot node is the hinge axis, so you can animate the hatch in your engine. Behind the outer hatch is a finished interior with a deck and a closed inner hatch. Part ids use the root `pressurelock` because the kit's part-id checker does not allow hyphens. `depthAndLight` only raises the emissive glow of the viewports, status lamps, deck strips and beacon (exported as emissiveFactor). It does not change geometry. Static asset, no animation clip. 2912 triangles at default settings. The GLB has 30 material entries because the runtime exporter clones one material per mesh. They cover only 11 palette colours (dark wood is unused), and each one carries its exact palette name. glb-lint returns 0 errors; its overall verdict is UNVERIFIED only because no requirements contract was supplied. It gives heuristic warnings only: material count/duplicates (the per-mesh clones above), intended nesting of the hatch rim/wheel/viewport and the hazard-ring segments, parts counted as not touching the ground (the hull, ribs, bulkhead and deck rest on the saddles), unindexed flat-shaded geometry, and a height/scale note because this is a 3.6 m structure.