Manhole and Grates

Specs

Size: 5.3 × 0.03 × 1.3 m
Triangles: 1,612
Draw calls: 1
Knobs: 4
Night lights: 0

Passed the validator: real scale, rests on y = 0, front faces +Z, deterministic.

Use it

Code for the specimen as it is set up above; it follows your knobs.

JavaScript

import { createAsset } from 'https://gaitkit.com/cdn/manhole-and-grates.mjs';

const manholeAndGrates = createAsset();
scene.add(manholeAndGrates);                      // rests on y = 0, front faces +Z

JSX

import { useMemo } from 'react';
import { createAsset } from 'https://gaitkit.com/cdn/manhole-and-grates.mjs';

export function ManholeAndGrates() {
  const model = useMemo(() => createAsset(), []);
  return <primitive object={model} />;
}

GDScript

# Import manhole-and-grates.glb (download below). It is a static mesh, one material per colour.
add_child(preload("res://manhole-and-grates.glb").instantiate())

// Import manhole-and-grates.glb with glTFast (com.unity.cloud.gltfast).
// Drop it in the scene: 1 unit = 1 metre, +Z is its front.

Prompt

Use the gaitkit MCP server: get_variant({ "id": "manhole-and-grates", "want": "default look" })
then place the result.

# MCP endpoint
https://gaitkit.com/mcp

More in the docs; agents can fetch all of this through MCP.

Knobs

Knob	Type	Values	Default	What it does
`piece`	choice	`set` `manhole` `storm drain` `tree grate` `hatch`	`set`	set (all pieces in a row plus two valve caps, a sampler for a street), manhole (round 70 cm cover in a frame), storm drain (90 x 50 cm barred gully grate for the kerb line), tree grate (1.2 m square with a round hole for a trunk), hatch (60 cm square tread-plate access cover with hinge tabs).
`pattern`	choice	`rings` `grid` `diamonds`	`rings`	Raised pattern on the manhole cover and tree grate: rings (concentric rings and spokes), grid (square waffle), diamonds (anti-slip diamond studs).
`metal`	choice	`iron` `rusty` `galvanised` `painted`	`iron`	Finish: iron (dark cast iron), rusty (brown weathered), galvanised (light grey steel), painted (blue utility paint).
`seed`	range	1 to 99, step 1	`1`	Turns each piece a little and varies wear: patches of rust and polished high spots.

Presets: old sewer lid {"piece":"manhole","pattern":"rings","metal":"rusty"} · kerb gully {"piece":"storm drain","metal":"iron"} · plaza tree grate {"piece":"tree grate","pattern":"diamonds","metal":"galvanised"}

Files

File	What
manhole-and-grates.glb	GLB, default look · 222 KB
manhole-and-grates.mjs	ES module, every knob live
manhole-and-grates.obj	OBJ, static, no colour
manhole-and-grates-params.json	knob schema, presets, night zones

Licence

Use it in games, apps, renders and client work, commercially and without credit. Do not resell it as an asset or train a 3D generator on it. The full licence.

Tune it

Specs

Use it

Knobs

Files

Licence

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