Original files created and designed by BigerAl  (https://www.printables.com/model/1011814-altmill-closed-loop-nema-23-stepper-motor-cover) and shared under Creative Commons Attribution 4.0 International (CC BY 4.0). My contributions (Vented_Closed_Loop_N23_Shield.stl) are shared under Creative Commons Attribution 4.0 International (CC BY 4.0).Continue Reading