Hi guys, I thought it might be useful to add a digital caliper to the Z axis. That would make calibration much easier. Could also be useful to determine Z backlash.
Setup:
Details: http://zlab.io/2014/09/17/adding-a-digital-caliper-to-the-k8200-z-axis/
Video: https://www.youtube.com/watch?v=6cZR2zVbWTI
Will upload the parts to Thingiverse tomorrow.