Dual Filaments Feeder

this isn't the first of this idea, using a y connector to do dual material print, I just did this part the way I like it, will be making a quad feeder soon

couplers are 9mm thread


https://www.youtube.com/watch?v=IJCPDCS5WUI

Reptier Firmware
in Tools tab
tick the box - Extruders share same heater from extruder 0 definition (SHARED_EXTRUDER_HEATER)
add second extruder and put in the steps and everything
select same thermistor and thermistor pin as first extruder
heater pin select d