A method of manufacturing a light emitting device includes separating a plurality of regions in a film with a thickness not greater than 0.5 millimeters to form a plurality of legs continuous with a body of film, folding the plurality of legs such that each leg terminates in a stack of bounding edges, disposing the stack of bounding edges proximate at least one light source such that light from the at least one light source propagates through the legs and the body by total internal reflection, and treating the film to form a plurality of light scattering features therein such that frustrated totally internally reflected light exits the light emitting device at a visible light emitting area and the light emitting area is at most barely visible when not illuminated by the at least one light source.