$fn=200;

rotate([180,0,0])union() {
    difference () {
        cube ([168,105,23]);
        translate([-0.5,32.5,-0.5])cube ([102,70.5,16.5]);
        translate([9,40,15.5])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([91.5,105.5,3])rotate([90,0,0])cylinder(h=106,d=3);
        translate([15,30.5,3])rotate([90,0,0])cylinder(h=30.6,d=8);
        translate([91.5,30.5,3])rotate([90,0,0])cylinder(h=30.6,d=8);
        translate([11,30.5,-5])rotate([90,0,0])cube([8,8,30.6]);
        translate([87.5,30.5,-5])rotate([90,0,0])cube([8,8,30.6]);
    }
    translate([163,24.5,15])cube ([5,56,5.5]);
    translate([165.5,80,15])rotate([90,0,0])cylinder(h=56,d=5);
}