This design, known as the "Masu" box is the most common origami box around. I learned to make it in school, and having made many different types of boxes, I think this one is the best. Click here for video instruction.
This design, known as the "Masu" box is the most common origami box around. I learned to make it in school, and having made many different types of boxes, I think this one is the best. Click here for video instruction.