// All dimensions are assumed to be given in millimeters

function inches_to_mm(inches) = inches * 25.4;

width = inches_to_mm(3.80);
height = inches_to_mm(0.20);

for (i=[0:1]) {
    translate(v=[0, 2 * i * height, 0]){
        cube([width,height,2]);
    }
}