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Taper the knob. TaperPercentage = 20; /* [Top Rounding (optional)] */ // Height of the base shape. See knob_base(). Rotate([0, 0, 90 + sphere_indents_offset_angle + ((360 / cone_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = knob_faces); // Create a hole with radius: ", hole_r , " at ", width_mm - thickness; // column from edge plus hole radius // mounting.

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