// -*- C -*-

led_dia = 5 + 0.6;
led_depth = 5;

test_width = 15;
test_height = 12;

thicks = [9,14,21];

module Tests(){
  for (thicki=[0:len(thicks)-1]) {
    translate([thicki*test_width-0.5, 0, 0]) {
      difference(){
	cube([test_width,
	      thicks[thicki] + led_depth,
	      test_height]);
	translate([test_width/2, -1, test_height/2])
	  rotate([-90,0,0])
	  cylinder(r=led_dia/2, h=led_depth+1, $fn=30);
      }
    }
  }
}

Tests();