Hard to find. Easy to make. Easy to print. May be used for already dragged cable - cutted to allow this.
Parametric. Make as you need.
Open .f3d file in Fusion360 and edit parameters. Save as stl. Slice, print, enjoy!
Print with TPU.
Nozzle 255, Bed 80, Speed 30, Supports Everywhere (not only touching buildplate).
Ask for specific dimensions if you can't do it yourself in Fusion. I will upload stl for you.
Support placement - everywhere.