How can I make a 3D paper star decoration?

To make a 3D paper star decoration, you can follow these steps:

1. Start with a square piece of paper.
2. Fold the paper in half diagonally to form a triangle.
3. Fold the triangle in half again to create a smaller triangle.
4. Fold the top corners of the triangle down to meet the bottom edge.
5. Fold the bottom corners up to create a diamond shape.
6. Fold the top point of the diamond down to the bottom edge.
7. Repeat on the other side.
8. Open up the folds slightly to create a 3D star shape.
9. Secure the folds with glue or tape.
10. Hang or display your paper star decoration.