JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://threejs.org/build/three.js"></script>
<script src="https://threejs.org/examples/js/controls/OrbitControls.js"></script>

CSS

body {
	  margin: 0;
}

JavaScript

var camera, scene, renderer;

init();
animate();

function init() {

    camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.1, 200 );
    camera.position.z = 100;

    scene = new THREE.Scene();
    
    // shape
    
    var x = 0, y = 0;

    var heartShape = new THREE.Shape(); // From http://blog.burlock.org/html5/130-paths

    heartShape.moveTo( x + 25, y + 25 );
    heartShape.bezierCurveTo( x + 25, y + 25, x + 20, y, x, y );
    heartShape.bezierCurveTo( x - 30, y, x - 30, y + 35, x - 30, y + 35 );
    heartShape.bezierCurveTo( x - 30, y + 55, x - 10, y + 77, x + 25, y + 95 );
    heartShape.bezierCurveTo( x + 60, y + 77, x + 80, y + 55, x + 80, y + 35 );
    heartShape.bezierCurveTo( x + 80, y + 35, x + 80, y, x + 50, y );
    heartShape.bezierCurveTo( x + 35, y, x + 25, y + 25, x + 25, y + 25 );
    
    // 
    
    var extrudeSettings = { depth: 8, bevelEnabled: false };

    var geometry = new THREE.ExtrudeBufferGeometry( heartShape, extrudeSettings );
    geometry.center();
    var material = new THREE.MeshNormalMaterial();

    var mesh = new THREE.Mesh( geometry, material );
    mesh.rotation.y = 0.5 * Math.PI;
    mesh.rotation.z = Math.PI;
    scene.add( mesh );

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

}

function animate() {

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

}