Let object loader respect its .texturePath .

src/loaders/ObjectLoader.js

@@ -307,6 +307,8 @@ THREE.ObjectLoader.prototype = {
 
 			var loadImage = function ( url ) {
 
+				url = scope.texturePath + url;
+
 				scope.manager.itemStart( url );
 
 				return loader.load( url, function () {