Math and Origami


Reference:
https://www.youtube.com/watch?v=kOF_fZFXTj0&t=263s

https://www.youtube.com/watch?v=MDwPXRy9IFc

https://www.youtube.com/watch?v=DJ4hDppP_SQ

https://www.youtube.com/watch?v=Lvp1LWZ7gAw