This is a simple cap for M8 nut holding the windshield wiper arm.
The print needs supports and I recommend using ASA or other high-temp and elements-resistant plastic.
I've designed it for Skoda Octavia II (1Z), but should be pretty universal, as long as the dimensions match ;)
Printer Brand: Prusa
Printer: I3 MK3S
Rafts: No
Supports: Yes
Resolution: 0,1-0,2
The author hasn't provided the model origin yet.