Use 30 square sheets of origami paper.
Difficulty : ⭐⭐⭐
Time: 2.5 hours
 
Each unit looks like a helicopter rotor blades.
 
Model paper size:
Unit (yellow pattern) : 7.5 cm x 7.5 cm
 
Model height: ~ 13 cm
 
PrwOrigami - Kusudama Collection
www.prworigami.com
(September, 2019)