EdgesGeometry with 3MF model

CSS

body {
	background-color: #000;
	margin: 0px;
	overflow: hidden;
}

JavaScript

// Simple three.js example

import * as THREE from "https://threejs.org/build/three.module.js";
import { OrbitControls } from "https://threejs.org/examples/jsm/controls/OrbitControls.js";
import { ThreeMFLoader } from "https://threejs.org/examples/jsm/loaders/3MFLoader.js";

import { LineMaterial } from "https://threejs.org/examples/jsm/lines/LineMaterial.js";
import { LineSegments2 } from "https://threejs.org/examples/jsm/lines/LineSegments2.js";
import { LineSegmentsGeometry } from "https://threejs.org/examples/jsm/lines/LineSegmentsGeometry.js";

var camera, scene, renderer;

var edgeMaterial;

init();

function init() {

	renderer = new THREE.WebGLRenderer( { antialias: true } );
	renderer.setPixelRatio( window.devicePixelRatio );
	renderer.setSize( window.innerWidth, window.innerHeight );
	document.body.appendChild( renderer.domElement );

	scene = new THREE.Scene();
	scene.background = new THREE.Color( 0xffffff );

	scene.add( new THREE.AmbientLight( 0xffffff, 0.2 ) );

	camera = new THREE.PerspectiveCamera( 35, window.innerWidth / window.innerHeight, 1, 500 );

	// Z is up for objects intended to be 3D printed.

	camera.up.set( 0, 0, 1 );
	camera.position.set( - 80, - 90, 150 );
	scene.add( camera );

	var controls = new OrbitControls( camera, renderer.domElement );
	controls.addEventListener( 'change', render );
	controls.minDistance = 50;
	controls.maxDistance = 300;
	controls.enablePan = false;
	controls.target.set( 80, 65, 20 );
	controls.update();

	var pointLight = new THREE.PointLight( 0xffffff, 0.8 );
	camera.add( pointLight );
	var loader = new ThreeMFLoader();
	loader.load( 'https://threejs.org/examples/models/3mf/cube_gears.3mf', function ( object ) {
	
		edgeMaterial = new LineMaterial( { color: 0xff0000, linewidth: 5 } );
    
    const meshes = [];

		object.traverse( function( child ) {
		
			if ( child.isMesh ) meshes.push( child );

		} );
    
    for ( let mesh of meshes ) {
    
        var edges = new THREE.EdgesGeometry(...