Today we feature this fully 3D printed gearbox for a NEMA 17 stepper motor with a 4:1 reduction ratio in colorFabb_XT. Designed by Youmagine user Kevin, it utilizes herringbone gears and it performs great. Designed by Kevin: https://www.youmagine.com/designs/nema17-4-1-gearbox This print was done using a 0,25mm nozzle width and 0,06mm layerheight on an Ultimaker 2+. colorFabb_XT was … Continue reading NEMA 17 4:1 reduction gearbox