Rail Track

Specs

Size: 4.0 × 0.55 × 4.0 m
Triangles: 168
Draw calls: 1
Knobs: 4
Night lights: 1

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/rail-track.mjs';

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

JSX

import { useMemo } from 'react';
import { createAsset } from 'https://gaitkit.com/cdn/rail-track.mjs';

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

GDScript

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

// Import rail-track.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": "rail-track", "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	`straight` `curve` `crossing` `buffer`	`straight`	straight: track along Z. curve: a quarter turn from the south edge to the east edge of a 2 x 2 cell board. crossing: two straights crossing at right angles. buffer: a straight that ends in a buffer stop at +Z.
`length`	range	1 to 4, step 1	`1`	Straight and buffer pieces only: length in 4 m grid cells.
`ground`	choice	`grass` `gravel` `sand` `snow`	`grass`	The board under the ballast: grass, gravel (yard), sand (desert line), snow.
`sleepers`	choice	`timber` `concrete`	`timber`	Sleeper (tie) material: timber (brown, branch line) or concrete (grey, main line).

Presets: curve {"piece":"curve"} · yard end {"piece":"buffer","ground":"gravel","sleepers":"concrete"} · snowy main line {"piece":"straight","length":3,"ground":"snow","sleepers":"concrete"}

Files

File	What
rail-track.glb	GLB, default look · 29 KB
rail-track.mjs	ES module, every knob live
rail-track.obj	OBJ, static, no colour
rail-track-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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