I created this because i needed one that could fit on the z axis bar and not rub on the z interconnect. It is to be used with http://www.thingiverse.com/thing:653562 or if you don't like to use screw on endstops.Rafts: Doesn't MatterSupports: Doesn't MatterResolution: dependant on nozzleInfill: 25% or higherNotes: i printed mine in maxpower .065in trimmer line nylon using these settings. print speed: 60mm/s filament diameter: 1.5mm nozzle temp: 260c bed temp: 40c on glass with elmers purple glue stick layer height: .2mm nozzle size: .5mm