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/*
When exporting this to STL, null polygons appear, causing
problems normalizing normal vectors (nan output in STL files)
*/
$fs=0.2;
difference() {
cube(8);
translate([0,20,4]) rotate([90,0,0]) union() {
translate([0,-3,14.5]) cube([5.4,6,2.4],center=true);
translate([0,0,13.3]) rotate([0,0,30]) cylinder(r=3.115,h=2.4,$fn=6);
}
}
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