, 10000);
          _cad.camera.position.z = 1800;

          _cad.controls = new THREE.OrbitControls(_cad.camera, document.getElementById(_cad.id));
          _cad.controls.addEventListener('change', _cad.render);

          _cad.scene = new THREE.Scene();
          _cad.loader = new THREE.JSONLoader();

          _cad.loader.load(_cad.url, function(geometry) {
            _cad.mesh = new THREE.Mesh(geometry, new THREE.MeshLambertMaterial({ color:0xffffff, ambient:0xdddddd, shading:THREE.FlatShading }));
 