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Base shape. See knob_base(). Rotate([0, 0, i * (360/RingMarkings)] cube([RingWidth*.5, MarkingWidth, 2], center=true); if (style == "nut"){ // a hexagonal cutout (undersize to melt an m3 nut into // a hexagonal cutout (undersize to melt an m3 nut into // a round shafthole base shape. See knob_base(). Rotate([0, 0, 90 + cone_indents_offset_angle + ((360 / sphere_indents_count) .

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