Use 30 rectangle (1:2) sheets of origami paper.
Difficulty : ⭐⭐⭐
Time: 2 hours
Each unit has hook to insert in pocket.
This is accidentally the same as "Mineral" designed by Ekaterina Lukasheva.
Model paper size:
Unit (purple) : 3.75 cm x 7.5 cm
Model height: ~ 7.5 cm
PrwOrigami - Kusudama Collection