Start with a square sheet of paper
Fold the paper in half top to bottom
Unfold it
Fold the paper in half left to right
Unfold it
Fold the top edge down to the center crease
Fold the bottom edge up to the center crease
Fold the top two corners down diagonally to form a roof shape
Fold the bottom two corners up diagonally to meet the center
Fold the left and right outer edges inward toward the center
Flip the paper over
Fold the top two corners down slightly to round the heart shape
Fold the bottom point up to create the heart’s bottom curve
Adjust the sides and creases to shape the heart
Flatten the folds firmly