Origami

"Origami" is artwork created by folding paper, "ori" means to fold, "gami" or "kami" means paper.
The paper is square shaped, and you cannot cut the paper when you are doing origami.
You need to make the shape purely by folding the paper.

Here you can see amazing origami artworks in NicoNicoDouga.

Evangelion

折り紙でエヴァ初号機折ってみた【動画版】

Gundam

折り紙で００ガンダム折ってみた

Hatsune Miku

折紙で初音ミクを折ってみた

Gaogaiger

折り紙でガオガイガー折ってみた

Notebook

折り紙でかわいいノートを作ってみた