Break it from the middle of the paper and flatten it. Fold the paper in half once, then turn it over and fold it once, turn the right corner forward once, and then turn it over and fold the other one forward.
Fold from the middle of the paper, flatten each corner and fold the upper corner forward once.
Handmade.
Even those ordinary things, after a series of simple splicing and pasting by hand-made masters, have become another brand-new thing: small animals made of vegetables, cartoon dolls made of eggs and paper and so on.