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Engraved_indicator_depth * 2, $fn = smooth } module rail(height) { difference() { difference() { union() { z_position = sphere_indents_radius + (enable_stem ? Stem_height : 0) + knob_height - sphere_indents_cutdepth; for (z = [0:cylinder_number_of_indentations] cylinder(r1=radius_of_cylinder_indentations_bottom, r2=radius_of_cylinder_indentations_top, h=height_of_cylinder_indentations.

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