Once your machine is printing well there are always new challenges to be overcome! I was printing some Mendel90 parts this past week and found some of the parts needed bridging, e.g. the bar clamps: http://www.thingiverse.com/image:110664 , not to mention the x-motor-bracket: http://www.thingiverse.com/image:110722There are many bridging calibration test pieces out there and I was inspired by the thingiverse hollow cube and quickly...
