include <BOSL2/std.scad>

// Parameter for console overwrite
b = 30.0;
t = 30.0;

module lid(b, t) {
  bInner = b - 10;
  tInner = t - 10;

  if (bInner >= 6 && tInner >= 6) {
    difference() {
      cube([ b, t, 2 ], false);

      bSpace = 5 + (((bInner + 2) % 8) / 2);
      bAmount = (((bInner + 2) - bSpace + 5) / 8);
      tSpace = 5 + (((tInner + 2) % 8) / 2);
      tAmount = (((tInner + 2) - tSpace + 5) / 8);

      for (i = [0:bAmount - 1], j = [0:tAmount - 1]) translate([ bSpace + i * 8, tSpace + j * 8, -1 ]) cube([ 6, 6, 3.5 ], false);
    }
  } else cube([ b, t, 2 ], false);

  sideCut(b,t);

  translate([b, 0, 0]) mirror([1, 0, 0]) sideCut(b,t);
}

module sideCut(b,t) {
  difference() {
    translate([0,0,2]) cube([3, 0.75 * t - 2.5,6.6], false);

    translate([2.3,t/4+2,0.5]) rotate([-90,-90,0]) linear_extrude(0.5 * t) polygon(points=[
      [-1,-1],
      [-1,1],
      [7, 1],
      [5.1,-1]
    ]);
  }

  translate([0,0,2]) cube([1.4, t, 3.4], false);
}

lid(b, t);