Completely fold the right part down, and fold the left part in the same way 5. Corners expand into square 6. Fold each corner as shown. All pictures are shown Expand 7. Fold out all four long triangles and four short triangles inside 8. Turn over Come here, as shown in the picture, open the pen holder with the bottom as the square in the middle.
It’s done. It’s pretty good. It’s actually quite simple. Give it a try when you have time! !