About this 3D model

Uses a printed hinge to fold flat and allow any size photo to be held. I have been using this model for laser cut photos. Would work well for lithophanes as well. The picture has it with a plate as I had no photos to display it with that I wanted to put on the internet. Filament is used as the hinge after drilling out with a 5/64" or 2mm bit. A dot of superglue can be used on one end but isn't necessary