Prepare square paper (size 4*4)?

Fold up and down to form a crease.

Continue to fold diagonally.

Continue to fold diagonally.

Fold this triangle in half.

Fold this triangle in half.

Fold the left and right corners like this?

Restore the paper to a square.

Fold the triangle along the crease first?

Then fold both sides in half along the center line.

Fold two triangles on both sides like a paper crane.

One * * * four triangles.

Four triangles?

Turn the left and right corners up.

A * * * 50 cents off?

Preparation of white latex

Apply white glue to the edges and fold them several times.

A note?

Apply hot melt adhesive to this side.

Stick the note on it?

Bend notes and adjust shapes.