Making a Square Envelope
1.Get a square sheet of paper larger than your letter or card.
2.Place the paper so its corners are in a diamond shape.
3.Fold the square corner to corner.
4.Fold the bottom corner up to the middle crease.
Fold the flat bottom of the corner up to the middle crease.
Fold the left corner towards the center.
Fold the right corner towards the center.
Fold back the edge of the right corner.
Spread the small triangle open.
Insert the top edge of the envelope into the small opening.