Well this is my first papercraft design so I try to do it the best as possible. (You can use the fotos as reference) To make it stand up place it on a piece of cardboard. Fecto Elfilis is the final boss from kirby and the forgotten land, it is the ultimate life-form also known as the specimen ID-F86, also, is the whole form of Fecto Forgo and Elfilin. More data about this character here: https://kirby.fandom.com/wiki/Fecto_Elfilis :)