This is a simple dust cover "gas cap" for the J1772 charging port on a Kia EV6. It may work on other EVs, but I don't have any to try it on. It has a little play in it but should stay in with the charging door cover closed and gravity. I may add a slot for an o-ring later.

4/9/2023: Added low-profile version and Fusion 360 source file.