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+ (enable_stem ? Stem_height : 0) + knob_height - cone_indents_cutdepth; for (z = [0 : cone_indents_count]) { // main cylinder cylinder(r1=knob_radius_bottom,r2=knob_radius_top,h=knob_height, $fn=knob_smoothness); smoothing(); } external_direction_indicator(); } } // Joy.

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