Paper used in this video: 30 rectangles of kami, 15 cm by 5 cm (6 in by 2 in)
Finished model: diameter of about 13.5 cm (5.25 in)
This video describes how to fold a fantastic origami modular kusudama "Coral Star" designed by Ekaterina Lukasheva.
Kate kindly gave me permission to make this video accessible to you. More of her work is also published in the book "Kusudama Origami".