Automatic bed leveling is the next killer feature that will be found on all commercial filament printers. It’s a problem that has been solved a few dozen times already; there are just so many ways you can go about it. The Printrbot uses an inductive… http://hackaday.com/2016/02/22/rethinking-automated-bed-leveling-for-3d-printers
LOVE my modded @Printrbot Simple Maker with auto-bed leveling using an induction probe.
The only problem I sometimes have is if the nozzle has a bit of dried filament at the tip, it can push on the bed so that the probe never senses it.
But now that I write this, if I turn the tip temperature to the print temp before doing the leveling I should be fine ! Need to find how to change this sequence in repetier.
I’m getting ready to get rid of the microswitch for the z-axis. It’s very inconsistent! One week i compensate with. 3mm, the next I have to compensate with .8mm. It’s all over the place and I can’t figure out why.