You can use scraps of thread to make these lovelies. Total weight will be only around 4 grams. Use all of your resources. I have made them with linen thread, embroidery thread, craft thread …
Here are links to get the free pattern, and my own modification -
The basic pattern:
http://wp.me/p1Hwn4-RS
My own modification:
http://wp.me/p1Hwn4-S4