Inspired by Banshee Advanced Throwing Cards by Rick Smith Jr.
Slice it with 0.2mm layer height and there should be two layers.
The holes are supposed to make a whistling noise when you throw it but it didn't work for me. (Maybe you have to throw it faster?)
Here's a quick video on how to throw cards:
https://www.youtube.com/watch?v=vM1_u-A4zgk&t=187s
Let me know if you have any questions!
The author marked this model as their own original creation.