Use 90 rectangle (1:2) sheets of TANT paper.
Difficulty : ⭐⭐⭐⭐
Time: 6 hours
Coffee milkshake blend curl with cream. This is Arijigoku (ant-lion nest) designed by Tomoko Fuse.
Model paper size:
Unit (cream, brown, gray) : 2.5 cm x 5 cm
Model height: ~ 4 cm
PrwOrigami - Kusudama Collection
There is a diagram in Tomoko Fuse’s book “Unit Origami Fantasy”.