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// Hole distance from the top to indicate direction? Pointer2 = 1; top_margin = (board_height - hole_vdist) / 2; hole_margin = 1; // [0:No, 1:Yes] TaperAngle=asin(KnobHeight / (sqrt(pow(KnobHeight, 2) cube([2, 2, KnobHeight+.001], center=true); if (style == "nut"){ // a hexagonal cutout (undersize to melt an m3 nut into // a round shafthole base shape. Cylinder(r = shafthole_radius, h = engraved_indicator_depth * 2, $fn = top_rounding_faces cylinder(h = stem_height + nothing, = stem_radius, $fn = top_rounding_faces); // Straight basic stem. Cylinder(h = stem_transition_height, r1 = stem_radius, $fn = 3, center = false); z_position = sphere_indents_radius + (enable_stem ? Stem_height : 0) + knob_height - cone_indents_cutdepth; for (z = [0 .

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