Feltis - Design Academy Feltis - Design Academy from Philippe Holthuizen Feltis - Design Academy Feltis - Concept for a mobile telephone which doubles as a brooch and features a 'different' user interface. gLike Feltis - Design Academy Feltis - Concept for a mobile telephone which doubles as a brooch and features a 'different' user interface. Industrial Design Share R 7 n Available Freelance, Full-time Philippe Holthuizen Product Designer Amsterdam, Netherlands Follow Contact