1. Download the heart templates. Cut it out accordingly.
2. Add a bit of glue or double tape along one edge.
3. Pinch the 2 edges of the heart together from the back and forcing the center of the heart pop out slightly.
Now the heart looks 3D.
4. Stick a flock of hearts to a wall with loops of tap or poster putty placed at the bottom point on the back side of each heart.How About Orange