module buttonBlock() {
    cube([4, 8, 3]);
}

module ucBlock() {
    cube([8, 8, 3]);
}

module rfBoard() {
    color("red")
        translate([0,0,0.5])
        import("rf-mapping.svg");
    color("yellow") {
        translate([25, 10, 1]) {
            buttonBlock();
        }
        translate([25, 25, 1]) {
            buttonBlock();
        }
        translate([25, 40, 1]) {
            buttonBlock();
        }
    }
    color("black") {
        translate([5, 30, 1]) {
            ucBlock();
        }
        translate([12, 15, 1]) {
            ucBlock();
        }
    }
}