Bondtech Prusa MMU2 Sensor and Filament Input
thingiverse
I designed this sensor holder and filament input to install a Bondtech Extruder Upgrade on my Prusa MK3s with MMU2s. The filament input is engineered for the PTFE tube to pass through an M10 connector and bottom out in the chamber. I found one online lever that I modified to have a flag to trigger my sensor, making it oversized to ensure accurate triggering after filing for proper fitment. Once set, no further adjustments are required. The original lever is believed to be sourced from https://www.myminifactory.com/object/3d-print-prusa-mk3s-mmu2s-ir-sensor-mount-bondtech-bmg-89362. **Update** I created a V2 lever that is a direct bolt-in for my printer with no adjustment or filing needed. **Update** The V2 lever still had some minor dragging in the sensor. However, I revised it further to create a V3 lever that completely eliminates any drag at this point.
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