JSFiddle - React, Tailwind, and code Playground

CSS

body {
	  margin: 0;
}

JavaScript

import * as THREE from 'https://cdn.jsdelivr.net/npm/three@0.125.2/build/three.module.js';

let camera, scene, renderer;

let group;

init();
animate();

function init() {

    camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.01, 10 );
    camera.position.set( 0, 2, 2 );

    scene = new THREE.Scene();
		camera.lookAt( scene.position );
		
		group = new THREE.Group();
		scene.add( group );

    const geometry = new THREE.BoxGeometry( 0.2, 0.2, 0.2 );
    const material = new THREE.MeshNormalMaterial();

    const mesh = new THREE.Mesh( geometry, material );
		mesh.position.x = 1;
    group.add( mesh );
		
		scene.add( new THREE.AxesHelper() );

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

}

function animate() {

    requestAnimationFrame( animate );

    group.rotation.y += 0.01;

    renderer.render( scene, camera );

}