$fn=200;

difference () {
    cube ([168,105,23]);
    translate([-0.5,2,-0.5])cube ([102,70.5,16.5]);
    translate([9,10,15.5])cube ([85,55,8]);
    translate([150,25,-0.5])cube ([20,55,20.5]);
    
    translate([15,105.5,3])rotate([90,0,0])cylinder(h=106,d=3);
    translate([90,105.5,3])rotate([90,0,0])cylinder(h=106,d=3);
    translate([15,105.5,3])rotate([90,0,0])cylinder(h=30.6,d=8);
    translate([90,105.5,3])rotate([90,0,0])cylinder(h=30.6,d=8);
    translate([11,105.5,-5])rotate([90,0,0])cube([8,8,30.6]);
    translate([86,105.5,-5])rotate([90,0,0])cube([8,8,30.6]);
   }
translate([163,24.5,18])cube ([5,56,2.5]);
translate([165.5,80,18])rotate([90,0,0])cylinder(h=56,d=5);