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Of facets of rounding cylinder ct = -0.1; // circle translate? Not sure. Pad = 0.2; // this one is easy hole_bottom = hole_top - 90; DivotRadius = KnobMinorRadius*.4; // Primary knob cylinder for (i=[0 : Knurls-1] rotate([0, 0, 90 + sphere_indents_offset_angle + ((360 / cone_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = smooth // outer pointy indicator // cube size of circle fragments in mm. Quality == "rendering") ? 3 : quality == "preview") ? 6 : quality == "preview") ? 0.5 .

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