Three.js - Usar una imagen base 64 como textura From https://github.com/mrdoob/three.js/issues/3430
var image = document.createElement( 'img' );
var texture = new THREE.Texture( image );
image.onload = function() {
texture.needsUpdate = true;
...
};
image.src = 'data:image/png;base64,XXXXX';