include <BOSL2/std.scad>

module pcb() {
    color("green", alpha=.5) difference() {
        cuboid([120,120,1.6], rounding=3, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT]);
        // nano-itx holes
        translate([-56.4,-41.9,5]) zcyl(l=20, d=2.7);
        translate([-56.4,56.4,5]) zcyl(l=20, d=2.7);
        translate([56.4,56.4,5]) zcyl(l=20, d=2.7);
        translate([56.4,-56.4,5]) zcyl(l=20, d=2.7);
    }
}

*pcb();