Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:5252068.
There are many cable chain systems based on mounting to the extruder stepper motor. If you don't use the stock extruder or don't have it mounted in the stock location, you are unable to use any of these items. This is simply to screw to your old extruder stepper location and then mount whatever cable chain system you like. For Example: https://www.thingiverse.com/thing:34048 https://www.thingiverse.com/thing:3566939 https://cults3d.com/en/3d-model/tool/creality-ender-3-stepper-cable-chain-bracket-heavy-duty-v2
10% Infill (you can do less but, come on, really? Low-Qual 0.28 (< 1hr print )
I've included the Freecad file in case you need to change something but there's not much to it. Some might want to make it taller depending on your needs.