A simple Cable Holder to make order on the desk. Designed for eurorack modular synthesizers cables, should work for almost any cable with a max external diameter of 4.2millimeters. It includes stackcables.
You can stick a strong double sided tape or make some holes to put wherever you like.

Standard Fast setting
20% infill
lot of helping disks

I printed it with ABS, it tends to bend a lot. So place lot of helping disks all around. I noticed that an infill of 20% helps in reducing bending. Probably with PLA the bending is drastically reduced.