You can find them here (the WAGO box and AC Caution covers are posted as remixes):
www.printables.com/model/502306-remix-of-ryandams-cable-management-duct-for-voron-
The smaller wire guides (which I used to connect my ground wires to the DIN rails) can be found here:
www.printables.com/model/502345-wire-management-guides