Extruder Knob with nut

This extruder knob has a special lock for the screw M3. Obviously, you do not need print at high quality (thin layer height). You can print the knob with the dedicated housing for the nut open or closed. If you print the closed one, you need to pause the print some layer before the end to insert the nut so it is blocked inside and not removable (even easier to mount). Printing with a layer height of 0.2, you will need to pause the print between 40 and 60 layers.

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