This Fighter paper model is the Fokker E.III. The Fokker E.III was the main variant of the Eindecker fighter aircraft of World War I. It entered service on the Western Front in December 1915 and was also supplied to Austria-Hungary and Turkey.
This aircraft paper model is designed by shikisha. This is a simple papercraft. You can download this fighter papercraft from here: WWI Fighter Fokker E.III Free Aircraft Paper Model Download [Instruction]