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Prusa Bear-BMG fusion (indirect filament sensor) for MK3 / MK2.5

by MarcoZ76

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602 issue bear Bear-BMG BMG bondtech bondtech bmg Bondtech BMG extruder extruder Full Bear Upgrade fusion hybrid prusa prusa i3 mk3 602 issue bear Bear-BMG BMG bondtech bondtech bmg Bondtech BMG extruder extruder Full Bear Upgrade fusion hybrid prusa prusa i3 mk3

This Bear BMG extruder is a fusion of excellent extruder made by Pekcitron (Bear Extruder) and the bondtech BMG 3:1 .
I tried to integrate the indirect filament sensor with a magnet (based on this design: https://www.thingiverse.com/thing:3241561 RaavHimself--> very smart design! ).
To use the indirect filament sensor you need a MR105z bearing (5x10x4) and a round neodymium 8x3
No need to change nothing in the firmware!
Need also n°1 thread insert (used to fix the extruder bottom to the

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