If you need help with the build, tutorials on DIY paper aircraft modeling can provide tips on handling the intricate parts of the Bf 109 airframe. About the Messerschmitt Me-109 Z

Messerschmitt Me-109 Z (a twin-fuselage experimental "Zwilling" variant).

The "Zwilling" (Twin) was an experimental variant of the Bf 109 created by joining two fuselages with a new wing center section and tailplane. While highly efficient on paper, it never entered mass production. Messerschmitt Me-109 Z - German Fighter Plane Answer

If you are looking for a digital ".rar" file, be aware that many sites offering such downloads are unofficial archives or enthusiast forums. For the best quality and to support the hobby, physical or verified digital versions are recommended: