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difference(){
union(){
translate([-32.5,0,0])
hull(){
translate([1.5,0,0]){
cylinder(h = 16, r = 4.5, $fn = 100);
}
translate([-1.5,0,0]){
cylinder(h = 16, r = 4.5, $fn = 100);
}
}
translate([32.5,0,0])
hull(){
translate([1.5,0,0]){
cylinder(h = 16, r = 4.5, $fn = 100);
}
translate([-1.5,0,0]){
cylinder(h = 16, r = 4.5, $fn = 100);
}
}
intersection(){
hull(){
translate([-34,0,5])
cylinder(h = 100, r = 4.5, $fn = 100);
translate([34,0,5])
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);
};
};
};
translate([-32.5,0,-2]){
linear_extrude(height = 18, center = false, convexity = 10, twist = -9*360, slices = 9*100, $fn = 100) {
translate([.25,0,0])
circle(r = 1.25);
};
};
translate([32.5,0,-2]){
linear_extrude(height = 18, center = false, convexity = 10, twist = -9*360, slices = 9*100, $fn = 100) {
translate([.25,0,0])
circle(r = 1.25);
};
};
};
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