Use 30 square sheets of origami paper.
Difficulty : ⭐⭐
Time: 2 hours
 
With simple unit, the ball expand in big size. 
 
Model paper size: 
Unit (blue) : 7.5 cm x 7.5 cm
 
Model height: ~ 14 cm
 
PrwOrigami - Kusudama Collection
www.prworigami.com
(September, 2019)