Cut 1.5 inch by 1.5 inch squares from magazine paper of your choice.
Fold square into quarters, creating diagonals from corner to corner of your square. Fold the square in half one more time, but this time join opposite sides of the square to make the fold.
Compress square as shown along the additional third fold created in step 2.
Round the bottom edges of your compressed triangle-shaped square piece.
Fold down the two corners on the top triangle-section.
Turn your paper around and fold up the top tip to perfectly align with the flat bottom of the bottom triangle.
Clip with paper clip until dry.
Turn your paper around and fold up the top tip to go just above the flat bottom of your bottom triangle. Glue accordingly.
Clip like step 7 in flat shape steps and after letting the glue dry reveal final product
Comparison of round versus flat butterfly shape.
Repeat butterfly-making steps and arrange your butterflies into a heart. All butterflies in this reference photo are round-shaped.