I3 MEGA CABLE CHAIN for Side Extruder mod

This is first complete mod for I3 with SIDE EXTRUDER mod.

Before You start, print this mod and put Your extruder on side.
https://www.thingiverse.com/thing:2448418
This will give You perfect access to extruder and easy way to change filament. This mod is must have to every I3 Mega. Trust me :)

Next print this filament spool holder.
https://www.thingiverse.com/thing:3249140
I have tested many projects but this one is the best. Work perfect with side extruder, save alot of place, its strong and allow You to scale tube if Your spools are more wide than ~75mm. I use filament with 80mm wide spools and all other projects was too short. Here I was able to print it few milimeters longer (scaled in Cura).

You will need also 1m of 15x20 open cable chain with TWO sets of end connectors. You can use smaller type like 15x15 but then You need remove plastic cover from cables. Becouse there are many different types of holes in cable chains, I make two sets of holes (horizontal and vert