Just a simple cable tray I thought others might find useful. To stick it to the bottom of my desk, I'm using these Scotch fasteners that can actually hold quite a bit of weight:

https://www.homedepot.com/p/3M-Scotch-1-in-x-1-in-Clear-Extreme-Fasteners-6-Sets-Pack-RFD7020/206180471

Prints without supports when standing up on one end.