Tesla Model Y & 3 Windshield Washer Funnel

I designed this windshield washer fluid funnel for my Tesla Model Y to make refills easier. The snug friction fit holds the funnel in place, leaving both hands free to handle the jug. An air-relief channel helps reduce bubbling and glugging while pouring, and the compact shape packs relatively flat for storage.   Designed for a 39.5 mm washer-fluid opening and repeatedly tested on my 2022 Tesla Model Y & a friend's 2026 Model 3. Other models haven’t been tested with this design - if you try it, please share your model, year, and how it fits!