e3d revo pz probe voronE3D Revo PZ Probe Voron Revo PZ Probe Voron Coldside The Revo PZ Probe Voron was specially developed for use with the Voron Stealthburner and integrates a bed leveling system into a Revo Voron heatsink. This converts your Revo nozzle into a bed sensor without changing the shape. Simple PZ Probing The PZ Probe is a piezoelectric element that converts vibrations into electrical signals and is activated upon contact between the nozzle and the print bed.