How can I make a 3D paper star?

To make a 3D paper star, you can start by folding a piece of paper in half diagonally to create a triangle. Then, fold the triangle in half again to form a smaller triangle. Cut three lines along the folded edges, leaving the center intact. Open up the paper and fold the cut edges inward to create the star shape. Finally, glue or tape the edges together to secure the star.