Actually, the Polish company Dudek is best known for its motor machines. And they, in turn, are famous for their autostable profiles, which are commonly referred to by the cool and incomprehensible sounding word Reflex. But I haven't dealt with "dudeks" for non-motorized flight for several years now. And I dare say, that the modern Dudeks with no engine look a lot like Paramotor wings. More details are below.