Stepper motors are undeniably useful, but sometimes they need a bit of gearing to help perform their task. [Gjhudson2008] has a compact gearbox for NEMA 17 or 23 steppers that is mostly 3D printed.

A 3-axis (X, Y, Z) CNC motion-control project. Each axis runs on its own Arduino Uno R4 WiFi and closed-loop stepper driver, and all three are coordinated from a single Python / Tkinter desktop GUI ...