Underbed Piezo Mounts

I started following the Precision Piezo thread on RepRap forums a while ago when some people (DjDemonD, Moriquendi) started coming up with brilliant ideas about using piezo disks as very sensitive switches/probes for bed probing. They later evolved into something called Precision Piezo (www.precisionpiezo.co.uk)


I had one of the earlier Piezo boards by Moriquendi and initially tried the hotend mount, however I found it really difficult to dial in...and the results wouldn't be consistent (it