References

Helicopter by PrwOrigami as a variation of some work designed by Tomoko Fuse

Link

See YouTube Video

Detail

SKU: B194

Use 30 square sheets of origami paper.
Difficulty : ⭐⭐⭐
Time : 2.5 hours 

Each unit looks like a helicopter rotor blades. 

Model paper size:
Unit (yellow pattern) : 7.5 cm x 7.5 cm

Model height: ~ 13 cm
(September, 2019)