Use 30 rectangle (2:3) sheets of origami paper
Difficulty : ⭐⭐⭐
Time: 2 hours
 
It is similar to Aleph-One Kusudama.
Heap means huge number. 
 
Model paper size:
Unit (brown) : 5 cm x 7.5 cm
 
Model height: ~10 cm
 
PrwOrigami - Kusudama Collection
www.prworigami.com
(May, 2025)