"Little boxes, half opal and half matted silver lined up together to illuminated wall decorations." According to the RAAK catalogue. This is one of the most special architectural lighting design by the RAAK design team. Some standard models were available, but one could also make it's own design in cooperation with RAAK. This is a standard and documented model, C-1656. Consisting out of 18 aluminum 'boxes' and 18 opal plastic 'boxes' on a wall plate. All in a good condition with some minor signs of age and use, but no breaks or cuts to the plastic cups.