include <BOSL2/std.scad>

module pcb() {
    color("green", alpha=.5) difference() {
        cuboid([170,170,1.6], rounding=3, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT]);
        // mini-itx holes
        translate([-78.74,74.84,5]) zcyl(l=20, d=2.7);
        translate([-78.74,-80.1,5]) zcyl(l=20, d=2.7);
        translate([78.74,-80.1,5]) zcyl(l=20, d=2.7);
        translate([78.74,51.98,5]) zcyl(l=20, d=2.7);
    }
}

*pcb();