📄 threejs/Addons/Loaders/GCodeLoader

File: GCodeLoader.md | Updated: 11/15/2025


title: GCodeLoader category: Addons layout: docs

GCodeLoader

A loader for the GCode format.

GCode files are usually used for 3D printing or CNC applications.

Code Example

const loader = new GCodeLoader();
const object = await loader.loadAsync( 'models/gcode/benchy.gcode' );
scene.add( object );

Import

GCodeLoader is an addon, and must be imported explicitly, see Installation#Addons.

import { GCodeLoader } from 'three/addons/loaders/GCodeLoader.js';

Constructor

new GCodeLoader( manager : LoadingManager )

Constructs a new GCode loader.

manager | The loading manager.
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Properties

.splitLayer : boolean

Whether to split layers or not.

Default is false.

Methods

.load( url : string, onLoad : function, onProgress : onProgressCallback, onError : onErrorCallback )

Starts loading from the given URL and passes the loaded GCode asset to the onLoad() callback.

url | The path/URL of the file to be loaded. This can also be a data URI.
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onLoad | Executed when the loading process has been finished.
onProgress | Executed while the loading is in progress.
onError | Executed when errors occur.

Overrides: Loader#load

.parse( data : string ) : Group

Parses the given GCode data and returns a group with lines.

data | The raw Gcode data as a string.
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Overrides: Loader#parse

Returns: The parsed GCode asset.

Source

examples/jsm/loaders/GCodeLoader.js