Mine

 Canvas3D canvas3D = new Canvas3D (SimpleUniverse.getPreferredConfiguration());
        SimpleUniverse universe = new SimpleUniverse (canvas3D);
        Scene scene = new Scene ();
        addKbdNavig (universe, scene);

        /*
         * Install our scene graph
         */
        scene.compile ();
        universe.addBranchGraph (scene);
	add(canvas3D);