Calliper brackets for high precision printer calibration

I designed a set of 3 brackets that can solidly attach my calliper to the frame of my Mendel Prism 1.5. The advantage of that is reliability and repeatability of the measurements. It all worked so well that I would need to hunt down a more precise calliper to be able to calibrate further. YES I am saying that I have reached the limits of my calliper which is 0.01 mm. I did about 3 runs of calibration on each axis to get there. Kudos to Josef Prusa for his awesome reprap calculator. At some point you may see that the new esteps values makes your steppers overshoot, I averaged that estep value with the previous one that didn't overshoot and that got me right on the spot.