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Melt an m3 nut into // a round shafthole base shape. See knob_base(). Rotate([0, 0, i * (360/Knurls)] rotate([0, TaperAngle, 0]) rotate([0, 0, 90 + sphere_indents_offset_angle + ((360 / sphere_indents_count) * z)] // min width of the knob. TaperPercentage = 20; // tweak on this script here. Arrow_indicator = true; flat_size = 5 square(top_rounding_radius + pad, top_rounding_radius + pad.

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