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Fast! .... 1 + 2 * nothing, shafthole_cutoff_arc_height + 2 * shafthole_radius + 2 * shafthole_radius + 2 * shafthole_radius + 2 * nothing, shafthole_height + 2 * nothing, shafthole_height + 2 * nothing, shafthole_height + 2 * nothing, shafthole_cutoff_arc_height + 2 * nothing cube(cutoff_size, center = true, $fn = top_rounding_faces); // Straight basic stem. Cylinder(h = stem_transition_height, r1 = stem_radius, r2 = stem_transition_radius, $fn = 3, center = true, $fn = stem_faces); // Widening part at the top. Rotate([0, 0, 90 + cone_indents_offset_angle + ((360 / cone_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = knob_faces); // Create a hole for mounting screw: ISO 1481-ST 2.2x6.5 C or ISO 7049-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1924538 16A (HC Generic Phoenix Contact connector footprint.

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