How to make an origami handmade stationery box?

How to make an origami handmade stationery box is introduced as follows:

Writing case, a box used by students to hold pens, pencils, rulers, erasers and other stationery. There are many kinds of texture, such as wood, iron, plastic and other products, with different shapes, mostly rectangular. English name: pencil-case (stationery bag) pencil-box (pencil box)

There are generally no fancy patterns on iron pencil cases. Compared with wooden and plastic pencil cases, iron pencil cases are not easy to be deformed and damaged. Very practical, suitable for primary school students.

Plastic pencil cases have bright colors and rich patterns, but they are not as resistant to falling and deformation as iron pencil cases. It is very popular among primary and secondary school students in the mass market, and even college students sometimes use it.

Wooden pencil boxes are very rare. It is engraved with various graphics, but primary and secondary school students often don't use it. Because the color is too monotonous, wooden pencil boxes are becoming more and more scarce.

In 2000, there appeared another kind of pencil case made of cloth, whose real name is "pencil case", which is the new favorite of pencil cases for primary and middle school students. Easy to carry, practical, very suitable for our children.

There is also an automatic pencil case, which is characterized by consisting of an outer box body and an inner box body. The inner box body is movably inserted into the empty surface of one long side of the outer box body, the upper edge of the other long side of the outer box body is hinged with a box cover, and two narrow box covers are hinged on the box cover. The outer side of the short side of the outer box body is provided with a spring piece, which passes through the outer box cover and reaches the short side of the inner box body, and the short side of the inner box body is provided with a plurality of grooves matched with the ends of the spring piece.