Printrbot Simple Extruder Stabiliser & Cable Chain Mount

This thing is for use on a Printrbot Simple 1405 and provides more structural rigidity for the extruder as well as a mounting point for the "Printrbot Open Cable Chain" (see sources). It can be used in conjunction with the "Printrbot Simple 1405 Fan Duct" (see sources) and is compatible with XL-upgraded printers as well.
For the other side of the cable chain please also check out the other design: http://www.thingiverse.com/thing:514734

Update: The files ring & bar represent an update, that