Use 30 square sheets of origami paper.
Difficulty : ⭐⭐⭐
Time: 2.5 hours
 
There is 2x2 square as window for each unit.
 
Model paper size:
Unit (mint-yellow) : 7.5 cm x 7.5 cm
 
Model height: ~12 cm
 
PrwOrigami - Kusudama Collection
www.prworigami.com
(October, 2020)