toothpaste squeezer spring
thingiverse
The mechanism relies on a spring to secure the ratchet in place, and the ratchet can be freed by gently pressing the tab on top of the spring upwards. To install the spring, it's essential to finesse it into position through the rod's knob end. The rod is equipped with built-in supports that prevent separation during printing, as the vertical knob side of the rod engages directly with the table surface.
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