Fold the corner of a bond paper or A4 paper like so. Cut the excess paper.
We will need the extra part.
Fold it in half.
Fold it in half again.
Lay it horizontally.
Fold it like so.
Fold the right side the same like you did on the left, but the difference is the right side will be folded backwards.
Lift the right side on the top of the left side so the fold will be locked in.
And this is it. Origami ribbon, DONE ✔.