This is called a Moravian Star . So much fun to weave multiple stars to form a modular structure.
Estrellas 3D de papel | Aprender manualidades es facilisimo.com
a cut-and-fold version of origami lucky stars (Diy Paper)
How About Orange: Lacy snowflake tutorial
Origami flower box for candies.
Nice craft for covering ordinary string lights.
How to make paper stars