$fn=30;
rotate([90,0,0])
difference(){
union(){
difference(){
union(){
translate([0,0,10])
scale([1,1,1.35])
sphere(10);

    translate([0,0,8.5])
    sphere(10.5);
    translate([0,0,8.1])
    sphere(11.1);
    translate([0,0,7.5])
    sphere(11.1);
    translate([0,0,5])
    sphere(11.9);
        translate([0,0,3])
    sphere(12);
sphere(9);
}

translate([-20,-3,-10])
cube([40,50,40]);
}}


translate([0,1,0])
union(){
difference(){
union(){
translate([0,0,10])
scale([1,1,1.35])
sphere(10);

    translate([0,0,8.5])
    sphere(10.5);
    translate([0,0,8.1])
    sphere(11.1);
    translate([0,0,7.5])
    sphere(11.1);
    translate([0,0,5])
    sphere(11.9);
        translate([0,0,3])
    sphere(12);
sphere(9);
}

translate([-20,-3,-10])
cube([40,50,40]);
}}}

translate([-2.5,8,-4])
cube([5,60,1]);
translate([0,68,-4])
cylinder(h=1,r=2.5);