translate([-board_thickness,0,0]) cube_fillet([board_thickness*2, 5, thickness], radius=2);
}
//smooth rod hole
- translate([board_to_xz_distance,5+(smooth_bar_diameter*1.05/2),-1]) cylinder(h=board_thickness+2, r=(smooth_bar_diameter*1.05/2));
+ translate([board_to_xz_distance,5+(smooth_bar_diameter/2),-1]) cylinder(h=board_thickness+2, r=(smooth_bar_diameter/2));
//inside rouned corner
translate([0,5,-1]) cylinder(r=1.2, h=thickness+2, $fn=8);
//side screw