Printrbot Plus 2.1 Auto level sensor bracket
thingiverse
The PB plus 2.1 auto level bracket and wrench come with this set, requiring 6 - 3/4in round head machine bolts and #6 washers to install. This upgraded kit replaces the right side extruder carriage bolts. The accompanying modified firmware is designed for PB2.1 use, as the bracket's positioning differs from the Simple version. Consequently, probe level values must be changed in the firmware. You can download this beta firmware at https://www.dropbox.com/s/39pcwe1z0twwp4f/PB21BetaFirm.zip. It seems to function well, but homing xyz individually may encounter a bug (only in manual control). When printing, homing functions correctly. If you find any issues, please contact me on Twitter @matthewphone.
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