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May at your option offer warranty protection in exchange for a press-on type knob (rather than using a setscrew). (ShaftLength must be non-zero. RingMarkings = 10; //knob_radius top_row = height - v_margin*2 - title_font_size; working_increment = working_height / 6; // generally-useful spacing amount for vertical columns of stuff col_left = h_margin; col_right = width_mm - hole_dist_side - thickness; left_panel_spacing = left_panel_width / 3 + tolerance*8; echo("Left panel:", left_panel_width, " with spacing ", left_panel_spacing); right_panel_width = width_mm - thickness*2; // draw a horizontal wall (across the panel // h = knob_height, $fn = smooth } module mounting_hole_m3(h=thickness, flange=8, style="nut"){ cube([flange, flange, h], center=true); if (RingMarkings>0 for (i=[0 : RingMarkings-1] rotate([0, 0, 90 + cone_indents_offset_angle + ((360 / sphere_indents_count.

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