1/4 20 knob
thingiverse
A personalized adaptation of the model found at http://www.thingiverse.com/thing:306072 was created using the Customizer tool (http://www.thingiverse.com/apps/customizer/run?thing_id=306072). To fabricate this unique design, utilize these specifications: knobHeight of 4.0, knobDiameter of 17.0, nutWidestDiameter of 12.46, nutHeight of 5.54, and ridgeRadius of 2.
Download Model from thingiverse
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