Puffy star
Model by Unknown / traditional.
3D star with five points.
When folded from a 1.5cm by 29.7cm rectangle, the resulting star ends up about 2.5cm in diameter and 1cm in height.
Model information

3D star with five points.
When folded from a 1.5cm by 29.7cm rectangle, the resulting star ends up about 2.5cm in diameter and 1cm in height.