Use 30 rectangle (1:3) sheets of origami paper.
Difficulty : ⭐⭐⭐⭐️
Time: 3-5 hours (difficult assembly)
 
Three layers of crimp for assembly.
You may use glue. 
(Some stiff paper can be assembled without glue.) 
 
Model paper size:
Unit (gradient) : 3.75 cm x 11.25 cm
 
Model height: ~9.5 cm
 
PrwOrigami - Kusudama Collection
www.prworigami.com
(April, 2026)