Servo linear actuator (~4 or 8 cm max.)

thingiverse

I needed motorized linear movements of about max. 4 or 8 cm for a small device. Because a stepper motor with toothed belt or similar seemed a bit overdone, I gave a much simpler solution based on a standard servo a try. I am happy with the result for several reasons: - Parts are held in place by the mounted servo - No support structures required for 3D printing - Wide range of movement (depending on length of servo arm) - Low-cost (no stepper motor, motor drivers, or such) The photos show the 55 mm model with mounted servo and two 90 mm models with different slider types. Parts were sliced and printed using variable layer height in Prusa Slicer (finest layer: 0.07 mm). Target device and helpful tool: - Two images show the target device (see link below) with integrated actuator, which physically solves Pocket cubes (i. e., the small brother of Rubik's cube) based on a trained AI model. https://www.thingiverse.com/thing:5822433 - Holding the M3 nuts when mounting the servo is made easy using following tool: https://www.thingiverse.com/thing:5822224 Enjoy! :-)