module lol() {

 difference() {
cube([100,150,1]);
    
for(nx = [0 : 1])     
    for(ny = [ 0: 3])
        translate([nx*52, ny*38.5,-1])
    cube([48,35.5,3]);
}


}



projection(cut=true)difference() {
lol();

#minkowski() {
difference() {
lol();
lol();
}

cylinder(h=3,d=3);
}
}