JSFiddle - React, Tailwind, and code Playground

CSS

body {
	  margin: 0;
}
canvas {
	display: block;
}

JavaScript

var camera, scene, renderer;
var geometry, material, mesh, container;

import * as THREE from 'https://cdn.jsdelivr.net/npm/[email protected]/build/three.module.js';
import { OrbitControls } from 'https://cdn.jsdelivr.net/npm/[email protected]/examples/jsm/controls/OrbitControls.js';

init();
animate();

function init() {

    camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.01, 100 );
    camera.position.x = 7;        
    camera.position.y = 3;    
    camera.position.z = 5;    

    scene = new THREE.Scene();

    renderer = new THREE.WebGLRenderer( { antialias: true } );
    renderer.setSize( window.innerWidth, window.innerHeight );
    document.body.appendChild( renderer.domElement );
       
    var controls = new OrbitControls( camera, renderer.domElement );
    
    
    
    
    
    let geometry = new THREE.BoxGeometry(3,3,3)
    geometry.faces.splice(0, 2)

    let mesh = new THREE.Mesh(geometry, new THREE.MeshNormalMaterial({side: THREE.DoubleSide}))
		scene.add(mesh)
    
}

function animate() {

    requestAnimationFrame( animate );
    renderer.render( scene, camera );

}