Here's a grommet for passing a 5mm or similar sized cable through a wall. There is a split where you can install the cable with the heads attached, great for cables that already have the heads installed. Print in TPU/Flex for best results. I've attached bgcode for printing 4 ea, I don't recommend printing fewer than for for best results. Grommet requires a ½" hole.

If you need to edit it: [https://www.tinkercad.com/things/kCnGrPVzKkr-cable-pass-through-for-5mm-cables-tpu](https://www.tinkercad.com/things/kCnGrPVzKkr-cable-pass-through-for-5mm-cables-tpu)