const { renderer, scene, camera } = initThree();
var frame = new THREE.Shape();
frame.moveTo(-4, -3);
frame.lineTo( 4, -3);
frame.lineTo( 4, 3);
frame.lineTo(-4, 3);
var hole = new THREE.Path();
hole.moveTo(-3, -2);
hole.lineTo( 3, -2);
hole.lineTo( 3, 2);
hole.lineTo(-3, 2);
frame.holes.push(hole);
var extrudeSettings = {
steps: 1,
depth: 1,
bevelEnabled: false,
};
var geom = new THREE.ExtrudeGeometry(frame, extrudeSettings);
var mesh = new THREE.Mesh(geom, new THREE.MeshPhongMaterial({ color: 0xffaaaa }));
scene.add(mesh);
renderer.render(scene, camera);
body {
margin: 0;
overflow: hidden;
}
canvas {
display: block;
}
<script src="//cdnjs.cloudflare.com/ajax/libs/three.js/102/three.min.js"></script>
<script src="//cdn.rawgit.com/Sphinxxxx/298702f070e34a5df30326cd9943260a/raw/16afc701da1ed8ed267a896907692d8acdce9b7d/init-three.js"></script>