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module roundedBox3dSimple() {
minkowski() {
cube([10,10,5]);
cylinder(r=5, h=5);
}
}
module roundedBox3dCut() {
minkowski() {
difference() {
cube([10,10,5]);
cube([5,5,5]);
}
cylinder(r=5, h=5);
}
}
module roundedBox3dHole() {
minkowski() {
difference() {
cube([10,10,5], center=true);
cube([8,8,10], center=true);
}
cylinder(r=2);
}
}
translate([-20,30,0]) roundedBox3dHole();
translate([0,25,0]) roundedBox3dCut();
translate([25,25,0]) roundedBox3dSimple();
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