JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdn.jsdelivr.net/npm/three@0.118.3/build/three.js"></script>

CSS

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

JavaScript

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

init();
animate();

function init() {

    camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.01, 10 );
    camera.position.z = 1;
		
		var loader = new THREE.TextureLoader();
		var texture = loader.load( 'https://threejs.org/examples/textures/crate.gif' );

    scene = new THREE.Scene();
		scene.background = texture;

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

    mesh = new THREE.Mesh( geometry, material );
    scene.add( mesh );

    renderer = new THREE.WebGLRenderer( { antialias: true, preserveDrawingBuffer: true } );
    renderer.setSize( window.innerWidth, window.innerHeight );
    document.body.appendChild( renderer.domElement );
		
		setTimeout( function() {
		
			var dataURL = renderer.domElement.toDataURL();
			
			var link = document.createElement("a");
			link.download = "demo.png";
			link.href = dataURL;
			link.target = "_blank";
			link.click();
		
		}, 1000 );

}

function animate() {

    requestAnimationFrame( animate );

    mesh.rotation.x += 0.01;
    mesh.rotation.y += 0.02;

    renderer.render( scene, camera );

}