Simple arched grommet to have a cable pass through an airtight seal. I used this on a resin printer to seal a cable. Specifically it was for an internal heater to maintain temperature. I wanted to eliminate resin odors coming out of the enclosure. I printed this in TPU and that is the suggested material. It might be possible to print in PETG but TPU offers better flexibility.
I think this could be helpful in any number of situations where you want to have an airtight seal with a cable pass through.
You should be able to customize to your needs with the included FreeCad file.
The author marked this model as their own original creation.