Thingiverse
knob with spring for + screwdriver
by AndrewUsov
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Hello! This design helps to tighten the screws if not enough space on a full revolution knob!
For 4mm +screwdriver
See at the YouTube: https://youtu.be/NrkKLk8W_Qo
For 4mm +screwdriver
See at the YouTube: https://youtu.be/NrkKLk8W_Qo
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