Sorry, at the moment I don’t know how to solve the payment problem. The problem is with PayPal, transfers for Russia are blocked.
Viewing post in Arcade car physic for godot comments
There is a complicated way:
1. Buy the stl model from the link:
https://www.livemaster.com/item/50355684-materialy-dlya-tvorchestva-car-for-godot
2. After purchasing, write to me by email issetname@gmail.com, I will send you the code/project in an archive.