JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://rawgit.com/mrdoob/three.js/dev/build/three.min.js"></script>
<script src="https://rawgit.com/mrdoob/three.js/dev/examples/js/controls/TrackballControls.js"></script>
<script src="https://rawgit.com/mrdoob/three.js/dev/examples/js/libs/stats.min.js"></script>

JavaScript

var scene, camera, renderer, ambient, stats;


init();
animate();

function init() {
    
    scene = new THREE.Scene();
       
    camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 10000 );
    camera.position.z = 50;

    ambient = new THREE.AmbientLight(0xcccccc);    
    scene.add(ambient);
 
    renderer = new THREE.WebGLRenderer({antialias:true});
    renderer.setSize( window.innerWidth, window.innerHeight );
    renderer.setClearColor( 0xeeeeee);
    
    
    document.body.appendChild( renderer.domElement );
    
    stats = new Stats();
    stats.domElement.style.position = 'absolute';
    stats.domElement.style.top = '0';
    stats.domElement.style.left = '0';
    document.body.appendChild(stats.domElement);
 
    
    controls = new THREE.TrackballControls(camera, renderer.domElement);
    controls.addEventListener('change', render);

    createModel();
    render();
}

function createModel(){
    var singleGeometry = new THREE.BoxGeometry(0.5, 0.5, 0.5);
    var mergedGeometry = new THREE.Geometry();
    for (var x = 0; x < 100; x++) {
        for (var y = 0; y < 100; y++) {
            var posVector = new THREE.Vector3(x, y, 0);
            var posMatrix = new THREE.Matrix4();
            posMatrix.setPosition(posVector);
            mergedGeometry.merge(singleGeometry, posMatrix, 0);
        }
    }
    
    /* 
    	r71, r72 - good performance with MeshBasicMaterial (~60 fps)
    */
    //var material = new THREE.MeshBasicMaterial({ color: 0xff0000 });
   
    /* 
    	r71 - good performance with MeshFaceMaterial (~60 fps)
    	r72 - low performance with MeshFaceMaterial (~3 fps)
    */
    var material = new THREE.MeshFaceMaterial([
		new THREE.MeshBasicMaterial({ color: 0xff0000 }),
		new THREE.MeshBasicMaterial({ color: 0xffff00 }),
		new THREE.MeshBasicMaterial({ color: 0x00ff00 }),
		new THREE.MeshBasicMaterial({ color: 0x00ffff }),
		new THREE.MeshBasicMaterial({ color: 0x0000ff }),
		new...