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Them. Cylinder(r1=knob_radius_bottom,r2=knob_radius_top,h=knob_height, $fn=knob_smoothness); smoothing(); } external_direction_indicator(); } shaft_hole(); } set_screw_hole(); } arrow_indicator(); indentations(); } } // XKCD (alt tags we don't need a hole, set this value to zero. ShaftLength = 0; // 0 if indicator faces notch, 180 if it faces away and so on. // body.

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