This is my Cable Management System for RJ45 Keystone at MPCNC Primo all Versions.
It´s a Remake or a Remixe from different sources:
The Original Cable Chain parts you can find at: https://www.thingiverse.com/thing:4541775 made by jmillerfo July 14, 2020
The Parts to adopt the cable Chain at the steppers are Remixes from https://www.prusaprinters.org/de/prints/52370-mpcnc-primo-nema17-drag-chain-mounts
ONLY for PRIMO F:
The Part for the Version F of Primo with the alu base plate are remixed from: https://www.thingiverse.com/thing:4635424 made by bungies October 27, 2020
The author remixed this model.