The calibration application is now available, along with the STL for the bracket here.
This series of scripts requires the Python libraries: PySerial, Matplotlib and NumPy
Note: This script banks on the Mendel firmware supporting the M117 GCode. Without it, it won't work!
RepRapComms.py: Comms library for communicating with a Mendel.
ZCal.py: Main calibration routines.
PlotBed.py: Bed plotting routines.
gui.py: A GUI to make calibration easier.
To use the GUI: