How to make a small book?

1. Fold a rectangular piece of paper in half three times, and press the mark hard.

2. Open the whole paper completely, fold it in half again, and cut a hole in the middle.

3. Let the paper stand upright and expose the opening.

4. Narrow the gap in the middle together and make a mini-book.

Origami is an artistic activity of folding paper into various shapes. Origami is not only a toy, but also a thinking activity. Origami is not limited to the use of paper.

While adhering to the folding standard, origami lovers all over the world use various materials, such as tin foil paper, napkins, acetic acid tablets and so on. The combination of origami and natural science has not only become an auxiliary teaching tool in architectural schools, but also developed origami geometry as a branch of modern geometry.