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0, i * (360/Knurls)] rotate([0, TaperAngle, 0]) rotate([0, 0, 45] cube([2, 2, KnobHeight+.001], center=true); if (RingMarkings>0 for (i=[0 : Knurls-1] rotate([0, 0, 90 + cone_indents_offset_angle + ((360 / sphere_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = 3, center = true); hole_depth = max(knob_radius_top, knob_radius_bottom, stem_radius) + nothing; cylinder(r = setscrew_hole_radius, h = shafthole_height, $fn = shafthole_faces); // Adapt to a number larger.

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