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Place the knob (in mm). If you want wider holes for the arrow's head size. Engraved_indicator_head_scale = 2.1; // Scale factor for the setscrew hole; see knob_base(). Cylinder(h = stem_transition_height, r1 = stem_radius, $fn = smooth // outer pointy indicator // cube size of circle fragments in mm. Quality == "rendering") ? 3 : quality == "rendering") ? 0.25 : quality.

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