Typically 1:25 or 1:33, consistent with Polish card model standards.
The BM-13 Katiusza , the iconic Soviet multiple rocket launcher from WWII, often mounted on a ZIS-6 or Studebaker truck. Download Model Card 091 Katiusza rar
Described as a "long piece," suggesting a high level of detail requiring significant assembly time. Modelcard - MODEL CARD - przemsemo - Chomikuj.pl, Strona 2 Typically 1:25 or 1:33, consistent with Polish card
The resource you're looking for, , is a Polish-published paper model template for the BM-13 "Katyusha" rocket launcher. Typically 1:25 or 1:33
You can find the .rar file (approximately ) on the file-sharing platform Chomikuj.pl . Other community archives like Mir Modeley and Kurgan Elita also host detailed archives and previews of these cardstock patterns. Model Details