Solidoodle Replacement Extruder Thumb nut
thingiverse
Replacement thumb nut in case you somehow lose it or for those who have hands that need something a little larger to grip on. Underneath the washer is glued an M3 nut, the same that is used on the belts. On top of the nuts sits a washer I took from one of the screws holding in the Y-Motor. In case glue gets inside the threads of the nut, take one of the screws from the Y-Motor, place it in your drill and go at the nut a couple of times. It should loosen up right away.
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