Cut 1.5 inch by 1.5 inch squares from grocery bag paper. Fold square into quarters, creating diagonals from corner to corner of your square.
Fold the bottom corner of the square to the middle.
Fold the top corner of the square to the middle as well.
Turn your paper 90 degrees and fold the bottom edge just shy of the middle, creating a gap between the fold and the other folded triangles.
Fold up the bottom edge to just higher than the middle of your paper and glue.
Let glue dry to get your envelope.
Create many hearts using varying square sizes. Refer to the whimsical origami hearts for instructions on how to make a heart
Click for heart steps
Arrange in pattern as shown to get final result.