Filament mixer / dual extrusion / mixing extruder

updated 11/9/2016 - added versions for M5 and BSP1/8 threaded PTFE coupler, and a holder to stop the mixer from tilting.


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designed to turn any single bowden hotend setup into a dual extruder setup, just need to add a second extruder. If you use this setup you dont need to calibrate nozzle offsets as its using the one nozzle for both filaments

Need to use some gcode to manage the filament changes otherwise straightforward to assemble, print 2 copies of the body, and