Cetus 3D Z-axis shock absorber

Additional hardware required:

1. M4 screw X 5-10mm long
2. Tension coil spring (mine comes from a used laser printer cartridge)
3. Double-sided tape (3M VHB tape recommended)

How it works:

When the power on the Cetus 3D printer is turned off, the horizontal arm will drop. When it reaches the arm of the shock absorber, the spring will extend to reduce the shock and bring the arm to a stop before it touches the print bed. During actual printing, the stepper motor is able to overcom