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module tower (coord) {
translate(coord) {
rotate([0, 0, (360/8)/2]) {
cylinder(11, 2.5, 2.5, $fn=8);
translate([0, 0, 10])
cylinder(2, 3, 3, $fn=8);
}
}
}
// towers blue
tower([0, 0, 0]);
tower([20, 0, 0]);
tower([0, 20, 0]);
tower([20, 20, 0]);
//walls are red
translate ([0, -1, 0])
cube([20, 2, 7.5]);
translate ([0, 19, 0])
cube([20, 2, 7.5]);
translate ([-1, 0, 0])
cube([2, 20, 7.5]);
translate ([19, 0, 0])
cube([2, 20, 7.5]);
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