An easy little star pattern.
You can make them from any yarn in your stash.
The size would depend on the yarn you used.
T-shirt yarn gives you a 19 cm star.
Bulky Cotton = 11 cm
Double Knit Cotton = 7 cm
4 Ply Cotton - = 6 cm
Hang them on your Christmas Tree
Make a garland
Glue them onto a card