PRUSA MK3 FILAMENT SENSOR HOUSING

12/24/2018 Added the Bearing TPU seath from the MMU2 design because it improves the sensor performance dramatically. Also changed the sliders to round, converting them into rollers instead of sliders, I guess

12/3/2018 I am including the STP file of the assembly so anybody can easily adapt the housing to the bearing and magnet that they have handy.

This is an attempt to make the PRUSA MK3 filament sensor work safely, reliably, and also with any type of filament, even if it is transparent.