NEMA17 to NEMA23 adapter with threaded holes

myminifactory

I've created a simple yet effective NEMA17 to NEMA23 adapter that I'm extremely proud of. The extra feature it has is threaded holes, making it possible to use only M3 and M5 screws without needing nuts. This might seem like an unusual idea, but trust me, it works amazingly well! I printed this adapter out of PLA with a 0.125mm layer height, and the screws hold the large NEMA23 motor in place securely. Just be sure not to use an electric screwdriver unless you're printing this out of metal - regular screwdrivers work just fine. When I printed my version, I didn't bother changing filament when switching from white to black, so the first layer is still visible as a faint white line, but it's barely noticeable in the photo. As you can see, only two screws are holding the NEMA23 motor in place, and that's because the motor itself doesn't have all the necessary holes for four screws.