According to the Minecraft Gamepedia, "The end gateway portal is created after defeating the ender dragon and is used to gain access to the surrounding islands containing chorus plants and end cities quicker than by other means."
If you want to know about the Minecraft 1.9 update, go here: http://minecraft.gamepedia.com/1.9
This design is pretty simple, so just glue 1:1, 2:2, 3:3, etc.
1. Click on the papercraft design image.
2. Make sure it has not been resized by your browser (you might need to click the image again).
3. Print using your browser's Print function.