It looks like you’re referencing a filename or folder name from an old file-sharing network (eMule), likely containing a compilation of paper models from GPM (a well-known Polish publisher of cardstock models).
from that era you are trying to identify, or are you looking for tips on how to start building paper models today?
The GPM paper model compilation includes a vast array of models, such as:
Warning: Many of these compilations were often massive (1-4 GB), which was enormous for dial-up/early DSL. A single compilation could take weeks to download.
When enthusiasts look for high-quality kits, names like GPM (Główne Przedsiębiorstwo Geodezyjno-Kartograficzne) often come up. A Polish publisher, GPM is legendary in the community for their high-quality maritime and aviation models.
Before high-speed direct downloads (like Megaupload) and modern torrenting became streamlined, the eMule network was the repository of choice for niche hobbies. The GPM Paper Model Compilation represents a specific type of "digital hoarding" culture.
Assembly Diagrams: Visual, step-by-step schematics showing how parts fit together.