Scale: 1/87 (H0)Printing technique: resin printDesign: Stolberg Saf with ineriornote: the interior of the signal box is fictionalyou can see the real object here:https://www.eisenbahn-stolberg.de/abbruch-des-stellwerks-saf-hat-begonnen/https://stellwerke.info/stw/stw.php?id=9395Element max size 4 print /min. printer table size: X:116 Y:83 Z:110Printer (models in the photos attached to the project): Photon Mono XNote: I suggest permanently mounting the interior of the object on the railway model, and leaving the exterior removable.