modelNode.setLocalRotation(new Quaternion(new float[] {-(float)Math.PI/2, 0f, 0f}));
} else if (upAxis.equals("X_UP")) {
modelNode.setLocalRotation(new Quaternion(new float[] {0f, 0f, (float)Math.PI/2}));
} // Y_UP is the Wonderland default
importer.cleanUp();
setupBounds(modelNode);
return modelNode;
}