竹蜻蜓 bamboo flighter

This is a toy I play when I was young, just spin it with two hands and it fly into air. great fun.

Feel free to modify it here:
https://www.tinkercad.com/things/5wRridZTf96-zhuqingting-/

you can make the pole thicker and hollow. Then make it a fun pen. I guess.