Designed using Tinkercad-- here's the original file for your remixing enjoyment: https://www.tinkercad.com/things/gTDaRU9P3Wi-raspberry-pi-cat-tv
Print the body face down, and the back on its flat side.
Full tutorial: https://www.digikey.com/en/maker/projects/cat-tv-with-raspberry-pi/8636bc60be2943a0867ee958337d1832 and https://beckystern.com/2024/03/03/cat-tv-with-raspberry-pi/
The author marked this model as their own original creation.