Patents? Apply? How to draw paper

The purpose of the drawings of the present invention is to enable technicians to understand the present invention with reference to the drawings. As long as your drawings are enough to show the characteristics of the invention, you can draw several faces. Because this is a foldable square, it is suggested that the attached drawing should include the state of the object before and after folding, and if necessary, it can also draw the state during folding. In short, the attached drawings must be understood by others!