JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://threejs.org/build/three.min.js"></script>
<!-- SVGRenderer.js depends on Projector.js https://github.com/mrdoob/three.js/issues/8156#issuecomment-185518978 -->
<script src="https://cdn.rawgit.com/mrdoob/three.js/r88/examples/js/renderers/Projector.js"></script>
<script src="https://cdn.rawgit.com/mrdoob/three.js/r88/examples/js/renderers/SVGRenderer.js"></script>

<div id="isometric_diagram" style="border:solid 1px black;"></div>

JavaScript

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

// ------ CAMERA AND SCENE ------

  var width = 360;
  var height = 240;
  var aspect = width / height;
  var d = 1;
  camera = new THREE.OrthographicCamera(-d * aspect, d * aspect, d, -d, 1, 1000);
  scene = new THREE.Scene();

// ------ MATERIAL AND GEOMETRY ------ 

  material = new THREE.MeshPhongMaterial({
    color: 0xFF9800, 
    specular: 0xffffff,
    shininess: 50,
    shading: THREE.SmoothShading,
    polygonOffset: true,
    polygonOffsetFactor: 4, // positive value pushes polygon further away
    polygonOffsetUnits: 4
  });
	geometry = new THREE.BoxGeometry(1, 1, 1);
	mesh = new THREE.Mesh( geometry, material );
	scene.add( mesh );

// ------ EDGES ------

  var geo = new THREE.EdgesGeometry( mesh.geometry ); // or WireframeGeometry
  var mat = new THREE.LineBasicMaterial( { color: 0x000000, linewidth: 4 } );
  var wireframe = new THREE.LineSegments( geo, mat );
  mesh.add( wireframe );
  // scene.add( wireframe );

// ------ WEBGL RENDERER ------

	//renderer = new THREE.WebGLRenderer( { antialias: true } );
	//renderer.setPixelRatio( window.devicePixelRatio );

// ------ SVG RENDERER ------

	renderer = new THREE.SVGRenderer();

// ------ RENDERER ------

	renderer.setClearColor(0xDDDDDD);
	renderer.setSize(width, height);

// ------ LIGHTS ------
	
	light = new THREE.DirectionalLight(0xffffff, 1.8);
	light.position.set(12, 18, 15);
	scene.add(light);
  
// ------ SET CAMERA ------

	camera.position.set(20, 20, 20);
	camera.lookAt(scene.position);
	renderer.render( scene, camera );

// ------ ADD TO DOM ------

	wrapper = document.getElementById('isometric_diagram');
	wrapper.appendChild(renderer.domElement);