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Lit pushbuttons in a circle. Enable_sphere_indents = false; // Scale factor for the overall arrow size. Engraved_indicator_scale = 1.01; // Scale factor for the cylinder at the top. Rotate([0, 0, i * (360/RingMarkings)] cube([RingWidth*.5, MarkingWidth, 2], center=true); cube([8, 3, KnobHeight], center=true); if (RingWidth>0 cylinder(r1=KnobMajorRadius + RingWidth, r2=KnobMinorRadius, h=RingThickness, $fn=50, center=true); if (style == "nut"){ // a round.

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