When I was a kid, I did a lot of interesting origami, such as this popular origami "Pig on a Tree" DIY origami, do you still remember it? A piece of square colored paper, folded into a rice shape.
Fold along the creases as shown in the picture.
As shown in the picture, fold the bottom upward and the back side upward.
Fold it as shown in the picture, and do the same on the back.
Fold the four edges inward as shown.
Fold it in half as shown above.
Cut the top along the creases as shown in the picture, draw the pattern, and the "Pig Climbing the Tree" is ready.