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Solenoid actuated pinch roller for 3d print head

Discussion in 'Concepts and Ideas' started by Jay Dickson, Jan 9, 2018.

  1. Jay Dickson

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    Has anyone tried anything like a multi-material 3d printer extruder using a single extruder stepper and multiple solenoids to actively switch between multiple filaments without needing an entirely separate motor for each color/material? It seems like if such a setup were feasible it may allow for something akin to Prusa's MMU, but with an arbitrary/scalable number of pre-threaded spools.
     

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