Wall Cable Grommet
thingiverse
The previous tenant caused a lot of damage to the walls by drilling too many holes to run TV cables. To fix this issue, I created a simple wall grommet that covers up the messy holes. This grommet has a flange that hides the ugly holes. The size of the holes in your wall should be between 22 and 25 millimeters. While larger holes up to 32 millimeters can work, they will be partially covered by the flange. To use this grommet, apply some glue to the flange and then push it into the existing hole. I am using these grommets for my networking cables, including CAT5 ethernet and CAT3. Check out how it works: https://www.youtube.com/watch?v=S4HHslZGlHE
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