I wanted a simple cable tag that is easy to print and readable from both sides. It prints fast (only 6 layers, about 1-2 minutes if printing in bulk) and uses less than 1g of filament. Once printed, you just bend it in the middle. I also used a bit of glue to keep it together on the other side, but it shouldn't be necessary as the zip tie should hold it together.

I ended up using color coding, e.g. blue for ethernet, red for power, etc, so it's even more obvious what is what. Also, I tried keeping the label as short as possible (7-8 characters), for practical reasons.

The hole fits zip ties up to 6mm in width.

If you want multi-color, change the last layer filament.

Note: Compared to the photos, I had to change the font to a one supported by the MakerWorld customizer, but it should look similar.