: Fold the bottom corner up so that it slightly overlaps the center where the side flaps meet. Top Flap : Fold the top corner down to close the envelope. Popular DIY Methods
: Position the paper like a diamond and fold it in half, corner to corner, then unfold it to leave a crease. Fgronov rar
: Fold the left and right corners into the center crease so they meet in the middle. : Fold the bottom corner up so that
: Start with a square piece of paper. If you only have A4 or letter-sized paper, you can find tutorials on YouTube to trim or fold it into a square. corner to corner