: If you are looking for a printable paper model, sites like Betexa or specialized Czech forums (e.g., papermodelers.com) often distribute these as compressed files.
: The most likely place for a .rar file of a specific station like Domoušice is Trainz.cz . They host realistic Czech maps and station buildings for Trainz simulators.
: For physical modeling (HO or TT scales), you might find similar railway structures on Printables.com . Assembly Tips (Putting it together)
If your "piece" refers to a or a 3D printed kit , here is a standard approach for assembly: