The refers to a high-detail 1:33 scale paper model of the Douglas M-2 aircraft, published by the Polish company GPM (Product Code: GPM0324).
If you download a model in .rar format, you will need a utility like 7-Zip or WinRAR to extract the PDF templates or 3D files inside. GPM 0324 Douglas M-2 - Super-Hobby
Free simplified papercraft versions of Douglas planes, such as the SBD Dauntless , can be found on sites like 4D Paper Airplane .
Platforms like Sketchfab and CGTrader host various models including the Douglas DC-3 and SBD Dauntless .
You can check the GPM official website for reprints or digital versions (e-models) if they become available. Specifications: Scale: 1:33. Subject: The Douglas M-2, an early American mailplane. Alternative Douglas Model Downloads