Geeetech Aluminium X Axis Cable Chain

Update 31 Aug 2016 The model that sits on the X Endstop has a design defect that has come over from the original thingi. When printing a tall object, this support piece bumps against the underside top of the bracket that holds the smooth & threaded rod. Hence as is, you will not get about 180 as the Z height - you will lose the height of that piece - about 130 to 140 mm only, before the X axis just stops.
I redesigned that piece and moved it to the top of the above mentioned bracket. It is fix