Wantai Stepper Motor - Nema 17 - 42BYGHM809
thingiverse
I needed a model of my stepper motors for the extruder that I want to experiment with . And Yes, the real stepper motor also does not have a flat on the shaft. I will have to mill them. I included the source file in STEP format. Right click on the image and select 'Save Picture As' if you want the data sheet Maximize the Images to see the cut off parts. Enjoy
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