Hinge was developed using his many years of experience as a professional paper artist to re-form a sheet of felt from flat to a three-dimensional form simply by cutting and folding the material. The shape creates the appearance of a movable joint forming an opening to the ceiling. A peek into what’s inside. Simply by changing their orientation in the grid, you can create an unlimited variety of patterns. Installation types: Drop the tiles into any 9/16” or 15/16” tee-grid. Concealed tile install - tiles fit neatly together edge-to-edge, to conceal the actual grid. 15/16” grid only.