Edit: added files for dual extrusion for those that want to add a little color to their design
Took the original cable and made a few modifications to the tolerances so i could print these 10-link sections of chain in place for easy assembly. I also removed some material in the mid-sections and added a fillet up top to enlarge the internal space and to support the bridge across the top. Now this chain should be able to handle up to 3 cat5 or cat6 cables and 2 16g soft stranded wire for hotend power cables, with some room to spare. The caveats of these improvements ease cable chain construction, since you don't have to clean and snap together every single link and the chain is more flexible even when fully loaded.