3DRAG/K8200 Z axis cable driven parallel drive system

This mod ensures the Z axis is driven from both ends, using a closed loop cable drive system, The cable used is a steel cored fishing line, that should be able to hold 41 KG's, though several strands could probably be used at once.
There's a new, heavily reworked version here that completely rearranges the Z axis:
https://www.thingiverse.com/thing:1520729