It’s little secret that stepper motors are everywhere in FDM 3D printers, but there’s no real reason why you cannot take another type of DC motor like a brushless DC (BLDC) motor and use that instead.
A practical, step‑by‑step quadruped robot project. It includes Fusion 360 CAD, CoppeliaSim simulation, Arduino firmware libraries, and Python tools for walking, stabilization, and tuning.