As often in cheap crawler kits, the required steering parts for a proportional servo are not included. The suspension could be better as well. Ans of course, some tuning parts are always nice.
So this thing includes:
Video 1: https://www.youtube.com/watch?v=jVIRwBKPeJk
Video 2: https://www.youtube.com/watch?v=8f6Jpmqt6_g
Video 3: https://www.youtube.com/watch?v=XGAVgqaUuyE
The author marked this model as their own original creation. Imported from Thingiverse.