mk3s mmu2s modified extruder idler mmu2s1 solves ir filament sensor issues —

Founded mk3s mmu2s modified extruder idler mmu2s1 solves ir filament sensor issues models & stl files for printing
MMU2S MK3S Extruder Idler with bolt
John Lafferty of Yellowbox Shed
Motor visualizer
POLEASY Impression 3D