X Cable Chain Relief- Duplicator i3 Wanhao

This is a pair of parts to help improve the action of the X axis drag chain. One of the parts relocates the mounting point of the chain closer to reduce total chain stretch, "kink" angle, and raises it slightly.

The other part is a spring to reduce the action of the links closest to the extruder. On my machine these were moving enough to pull on the cables constantly. I was afraid of an eventual failure...

This upgrade will require 2 M3 ~5mm screws and nuts.