z-axis probe 1 Articles . Bed Leveling With A Solenoid Actuator. October 5, 2014 by James Hobson 32 Comments . Ah, the woes of printer bed leveling.

Here’s a neat trick for your next 3D-printer build or retrofit: a Z-axis sensor using a DIY strain gauge made from SMD resistors. We’re betting it could have plenty of other application… ...