As you can see this is an SD RGM – 79 G Gundam paper craft which is a Gundam model that was based on RGM – 79 Gundam.
The model that we have here is a ground base version which made its first appearances in Mobile Suit Gundam: The 08th MS Team.
Everything you want to know about this model can be found on Gundam Wikipedia page.
As for this model templates , it requires 15 sheets of paper to build and comes with PDO viewer file for assembling guide.
SD RGM – 79 G model is build by a Korean pepakura designer name JsJ.
You can find more RGM gundam paper craft model here