Nixi Tube Clock Nixi Tube Clock from David Brown Nixi Tube Clock Nixi1 - These are part of a side project I did for a nixi tube clock. Main emphasis was to work with emissive materials. Nixi2 - These are part of a side project I did for a nixi tube clock. Main emphasis was to work with emissive materials. Nixi3 - These are part of a side project I did for a nixi tube clock. Main emphasis was to work with emissive materials. gLike Nixi Tube Clock Industrial Design Share R 7 n David Brown Industrial Design Naperville, IL Follow Contact