Use 30 square sheets of origami paper.
Difficulty : ⭐⭐⭐
Time: 3 hours
 
The flaps are like latch to lock units together.
 
Model paper size:
Unit (red, orange, mint) : 7.5 cm x 7.5 cm
 
Model height: ~ 13 cm
 
PrwOrigami - Kusudama Collection
www.prworigami.com
(December, 2019)