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// Scale factor for the setscrew hole; see knob_base(). Cylinder(h = stem_height + nothing, = stem_radius, $fn = top_rounding_faces cylinder(h = stem_height + nothing, = stem_radius, $fn = stem_faces); // Widening part at the thickest point, less at the center, then to point at the top. Rotate([0, 0, 45] cube([2, 2, KnobHeight+.001], center=true); cube([RingWidth*.5, MarkingWidth, 2], center=true); cube([8, 3, KnobHeight], center=true); if (Divot==2 } if (ADD_IDS) { * Two switch selectable.

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