Use 30 rectangle (1:4) sheets of origami paper.
Difficulty : ⭐⭐
Time: 2 hours
 
Zigzag steps as ladder.
 
Model paper size:
Unit (green) : 1.875 cm x 7.5 cm
 
Model height: ~9 cm
 
PrwOrigami - Kusudama Collection
www.prworigami.com
(September, 2020)