public void Initialize(SurfaceTessellation st)
{
KeyboardInputResponder responder = new KeyboardInputResponder(this);
menu.RegisterResponder(responder);
tessel = st;
objButton = transform.Find("ControlPanel/ExportObj").GetComponent <FlexActionableComponent>();
stlButton = transform.Find("ControlPanel/ExportStl").GetComponent <FlexActionableComponent>();
}