micro extruder
thingiverse
having a direct drive for not to much money was my goal in this. i have tested a few motors but i found the 1Nm motor works the best Instructions Assembly: 1 x bearing, as used in wade 1 x 8mm short shaft 1 x driver pulley 2 x M3 45mm long bolts 2 x M3 nuts 2 x M3 washers 2 x M4 x 35 1 x wood or aluminum adapter plate for mounting a wades extruder to a prusa x carriage 1 x 1:50, 7 ohms, 12V, 0.4A litte geared stepper 1 x set of printed body, idler 1 x hot end with groove mount mounting system
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