translate([-32.5,0,0])
    difference(){
        scale([6/4.5,1,1])
            cylinder(h = 16, r = 4.5, $fn = 100);
        translate([0,0,-10])
            cylinder(h = 20, r = 1.25, $fn = 100);
    };
translate([32.5,0,0])
    difference(){
        scale([6/4.5,1,1])
            cylinder(h = 16, r = 4.5, $fn = 100);
        translate([0,0,-10])
            cylinder(h = 20, r = 1.25, $fn = 100);
    };

intersection(){
    hull(){
        translate([-32.5,0,5])
            scale([6/4.5,1,1])
            cylinder(h = 100, r = 4.5, $fn = 100);
        translate([32.5,0,5])
            scale([6/4.5,1,1])
            cylinder(h = 100, r = 4.5, $fn = 100);
    };
    difference(){
        translate([0,0,-70])
            sphere(r = 95, $fn = 100);
        translate([0,0,-70])
            sphere(r = 90, $fn = 100);
    };
};