Scale: 1/87 (H0)Printing technique: FDMDesign: is fictional, but the inspiration was the Lorraine Viaduct in SwitzerlandPrinter size: big eg. Anycubic Chiron or Anycubic Kobra Max but optional printing (element Part2 -> Part2A & Part2B) is possible with small printer eg. Anycubic i3mega (220x220)Note: If you are going to use marble filament to print the model, remember to make sure the filament is matte!