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Steam vents

A low-poly street steam vent cluster: a curb pad with a sidewalk grate and three exhaust pipes (a tall open stack, a valve stack with a yellow handwheel and a rain-capped vent) tied by a header pipe, with faceted white steam billowing out under neon bands.

Original GLB388 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: 3,888
Vertices: 11,664
Meshes · materials: 23 · 10
Size (W × H × D): 1.3 m × 2.5 m × 90 cm
File: GLB · 388 KB
Animation: Static
Style: Low-poly
Collection: Cyberpunk Alley

Palette · named materials

pad#3a3c40
pipe#7d828c
frame#151619
recess#090a0b
bars#1b1b22
hazard#eecd2b
neonPink#f64c84
neonCyan#20c6df
steam#f2ede2
steamTint#fcdee8

Use it

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

const gltf = await new GLTFLoader().loadAsync(
  "https://assets.stoicsoft.com/1designtool/3d/models/cyberpunk-alley-steam-vents/c9aa0ca51d/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:

Steam vents for the Cyberpunk Alley 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 Cyberpunk Alley kit (Low-poly style, flat-lowpoly direction): A rain-soaked back street under neon. Use ONLY the kit palette, by name: black #151619, neon pink #f994b6, cyan #20c6df, sodium yellow #eecd2b, black dark #090a0b, neon pink dark #f64c84, black light #3a3c40, neon pink light #fcdee8, 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 `neonColours` (0–1, default 0.5) for the kit's "Neon colours" setting wherever it makes sense on this part, and keep that id.

Agent: Claude Code · Claude Opus 5.5 in 1DesignTool
Generation: 2.05M tokens (93% cached) · ≈ $1.88 at API prices · 5-hour plan +4%
Direction: Low-poly · family products
three-check PASS · glb-lint PASS — 0 errors, 4 heuristic warnings (lint verdict UNVERIFIED only because no requirements contract was supplied)

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Named parts · 10

Steam vents
Curb pad
Sidewalk grate
Exhaust stack
Valve stack
Valve handwheel
Capped vent
Header pipe
Neon bands
Steam

Note: Size at defaults: 1.30 m wide x 2.48 m tall (including the steam plume; the tall stack itself stands 1.60 m) x 0.90 m deep; the curb pad is 1.30 x 0.10 x 0.90 m. Origin at the bottom centre of the pad, resting on y = 0, front (grate, handwheel, yellow kerb) faces +Z. 3888 triangles in the GLB, 23 meshes, 10 materials, each named exactly after its kit palette colour; about 4.5k triangles at the maximum steam and stack height. Static model, no animation clip — the steam is solid faceted geometry, so hide the steam node if you want to drive your own particles. steamAmount scales the plumes (0 removes all steam); stackCount 1-3 drops the valve stack and then the capped vent; neonColours sets the emissive strength of the pink and cyan pipe bands and a faint glow on the pink-tinted steam just above the tall stack (0 = unlit paint) and is baked into the GLB's emissive values at export. Every part node carries its library id (cyberpunk-alley-steam-vents.*) in extras.partId and wraps a twin node with a kit-grammar id (alleysteam.*), because the design kit's part-id pattern does not allow hyphens. glb-lint heuristic warnings were checked and are expected: flat-shaded meshes are non-indexed by design, grate and kerb layers nest on purpose, the neon bands wrap pipes that belong to other part groups, and the 2.5 m height is the real scale of a street stack plus steam.