These are the files for a DIY Arduino Bluetooth Controlled Car I made! You can find the instructional video about it here:
and written instructions here:
https://www.instructables.com/DIY-Arduino-Bluetooth-Controlled-Car/
or here:
https://www.hackster.io/Nikolas550/how-to-make-an-arduino-bluetooth-controlled-car-dc3425
I printed the parts in Prusament Gold PETG on my Ender 3 V2. The settings I recommend are 0.2mm layer height, 0.4mm wall, 40<% infill, supports or rafts are not neccessary.
The author hasn't provided the model origin yet.