Hollow Calibration Cube

My Makerbot was having a hard time printing out thin walls with water-tight settings, so I made this simple hollow cube to calibrate again from scratch. The walls of the cube are 1.5mm because that is the minimum thickness I would ever use. (See the OpenSCAD files if you\'d like to change dimensions)

While going through the calibration process, I strategically changed one Skeinforge parameter at a time no matter how mundane or obvious the change seemed to be. The process is documented with