Use 30 square sheets of origami paper.
Difficulty : ⭐⭐⭐
Time: 2 hours
 
The spike looks like cake piping nozzle.
 
Model paper size:
Unit (green-yellow) : 7.5 cm x 7.5 cm
 
Model height: ~ 13 cm
 
PrwOrigami - Kusudama Collection
www.prworigami.com
(March, 2020)