Rmms is a flat car type, with relatively short length and medium loading weight. In some countries it is used to transport tanks and other military vehicles.The model is a TT scale (1:120) replica of the original. The files are ready-to-print with resin DLP/SLA printers, recommended layer height: 25 microns. The decal files are also included in CorelDraw format (send a message for different format). For a running model you will need Tillig Y25 bogies, 7.7 mm wheels, Peho-101 coupler socket and a coupler of your choosing (e.g. Tillig)