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Hi there, I'm currently in the process of building a 3d printer for a stem competition with dimensions of 400mm by 800mm by 800mm (LxWxH) build volume. no I'm slightly confused how you managed to use an ultimate board with nema 23 stepper motors. this question may have already been asked but, how did you manage to do that, did you need to change the software, what stepper drivers did you use. would it be possible if you could upload pictures of the wiring and the boards to possibly help?