Use 30 rectangle (2:3) sheets of origami paper.
Difficulty : ⭐⭐⭐
Time: 3 hours
This is a variation of Sunken Silver Star designed by David Brill.
You can use A4 paper ratio or 2:3 or 3:4.
Model paper size:
Unit (red-yellow) : 5 cm x 7.5 cm
PrwOrigami - Kusudama Collection