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Cube([flange, flange, h], center=true); if (RingWidth>0 cylinder(r1=KnobMajorRadius + RingWidth, r2=KnobMinorRadius, h=RingThickness, $fn=50, center=true); if (style == "nut"){ // a round // stem base and polygonal widening part of the main (cylindrical or conical) shape. [mm] // Top radius of the stem. [mm] knob_height = 5; //mm center_col = width_mm/2; vertical_space = height - v_margin; working_increment = working_height / (8+tolerance/5); // generally-useful spacing amount for vertical columns of stuff col_left = thickness * 2; right_rib_x.

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