This aircraft paper model is a R-101 Delphinus 1, a revolutionary fighter jet built in the 2040s by Neucom Incorporated, based on the hybrid arcade-simulation flight action video game series Ace Combat, the papercraft was created by satwo.
The R-101 is the first production fighter of Neucom, and the first aircraft of the famed R-Series. The radical design of the mainframe's structure garnered the aircraft widespread attention in the aviation business. Furthermore, the R-101 Delphinus is the first mass-production aircraft on the planet with an integral Connection for Flight Interface (COFFIN) system. In a way, the R-101 had became the proto-example of Neucom's technological superiority in the aviation field.
The R-101 Delphinus was one of the earliest aircraft employed during the Usean Corporate War, as well as one of Neucom's standard aircraft. However, Neucom was not the only group to use the Delphinus I: the Universal Peace Enforcement Organization operated Delphinii I under the designation R-101U.
Rumors state that the YR-99 Forneus, a revolutionary mainframe employed during the 2020 South Osea Leasath-Aurelia War, is actually a prototype of the R-101 manufactured by a young Neucom. This fact is supported by the resemblance between both aircraft's frames, as well as their employment of COFFIN technology. [Source: wikia]
You can download the papercraft model template here: Ace Combat - R-101 Delphinus 1 Fighter Free Aircraft Paper Model Download