Many enthusiasts digitize and share these "Oldie" models. You can search or request the file on:
A global community where members often share rare files in the "Downloads" section (registration usually required). 2. Archive and Fan Sites Download PAB PKW PINGUIN III Tschaika rar
A major German-language forum with a massive archive of DDR-era models like the Pinguin series. Many enthusiasts digitize and share these "Oldie" models