B = 19.05;
M = 6.35;

A = 5; // Alignment pad size

BD = B - M;

WF152_HEIGHT = 136.5;
WF152_DIAMETER = 152;
AMT2I_WIDTH = 91;
AMT2I_HEIGHT = 72;

WOOFER_OFFSET = 300-183+1;
PORT_OFFSET = 300-60;

// Side panel and tweeter alignment
difference() {
  square([162-BD, 600], center=true);

  // Tweeter cutout
  difference() {
    offset(r=BD/2) square([AMT2I_HEIGHT, AMT2I_WIDTH], center=true);
    offset(r=BD/2) square([65, 65], center=true);
  }

  // Vertical tweeter alignment squares
  translate([100, 0]) rotate(45) square(A,center=true);
  translate([-100, 0]) rotate(45) square(A,center=true);

  // Edge alignment
  translate([0, -290]) rotate(45) square(A,center=true);
  translate([0, 290]) rotate(45) square(A,center=true);

  // Woofer alignment
  translate([0, -290]) rotate(45) square(A,center=true);
  translate([0, 290]) rotate(45) square(A,center=true);

  translate([0, WOOFER_OFFSET]) {
     difference() {
        offset(r=BD/2) square([AMT2I_HEIGHT, AMT2I_WIDTH], center=true);
        square([65, 65], center=true);
     }

     // woofer alignment
     translate([60, 0]) rotate(45) square(A,center=true);
     translate([-60, 0]) rotate(45) square(A,center=true);
  }

  // woofer #2 alignemnt
  translate([0, -WOOFER_OFFSET]) {
     difference() {
        offset(r=BD/2) circle(d=69);
        circle(d=69);
     }

     // woofer alignment
     translate([60, 0]) rotate(45) square(A,center=true);
     translate([-60, 0]) rotate(45) square(A,center=true);
  }

  // Center alignment
  translate([60, 0]) rotate(45) square(A,center=true);
  translate([-60, 0]) rotate(45) square(A,center=true);

  // Bass reflex port
  translate([0, PORT_OFFSET]) offset(r=BD/2) circle(d=69);
  translate([0, -PORT_OFFSET]) offset(r=BD/2) circle(d=69);
}

// WF152BD11 flush mount
module wf152() {
    intersection() {
      circle(d=WF152_DIAMETER , $fn=100);
      square([WF152_DIAMETER ,WF152_HEIGHT], center=true);
    }
}

module j() {
  difference() {
    offset(r=BD/2) wf152();
    offset(r=BD/2) circle(d=126, $fn=100);
  }


  // Center alignment hole
  rotate(45) square(3, center=true);

  // Alignment holes
  translate([0, -90]) rotate(45) square(A,center=true);
  translate([0, 90]) rotate(45) square(A,center=true);
  translate([90, 0]) rotate(45) square(A,center=true);
  translate([-90, 0]) rotate(45) square(A,center=true);
}

translate([255,0])
difference() {
  square([300-19-19-BD, 600-19-19-BD], center=true);

  translate([90, 0]) rotate(45) square(A,center=true);
  translate([-90, 0]) rotate(45) square(A,center=true);
  translate([0, -260]) rotate(45) square(A,center=true);
  translate([0, 260]) rotate(45) square(A,center=true);

  translate([0, WOOFER_OFFSET]) j();

  translate([0, -WOOFER_OFFSET]) {

    // Alignment holes
    translate([0, -90]) rotate(45) square(A,center=true);
    translate([0, 90]) rotate(45) square(A,center=true);
    translate([90, 0]) rotate(45) square(A,center=true);
    translate([-90, 0]) rotate(45) square(A,center=true);

    difference() {
      offset(r=BD/2) wf152();

      difference() {
        wf152();
        // Driver screw holes
        for ( i = [45 : 90 : 360] ){
          rotate(i) translate([140/2,0]) circle(d=4, $fn=50);
        }
      }
    }
  }
}

// Back terminal cutout & back-front cutout groove
translate([-250,0])
difference() {
  square([162-BD, 600-19-19-BD], center=true);

  // Terminal cutout
  difference() {
    offset(r=BD/2) square([80, 93], center=true);
    offset(r=BD/2) square([56, 76], center=true);
  }

  // Alignment
  translate([0, -520/2]) rotate(45) square(A,center=true);
  translate([0, 520/2]) rotate(45) square(A,center=true);
  translate([-60,0]) rotate(45) square(A,center=true);
  translate([60,0]) rotate(45) square(A,center=true);

  translate([0, 130]) {
    difference() {
      offset(r=M/2, $fn=50) square([AMT2I_HEIGHT-M, AMT2I_WIDTH-M], center=true);
      translate([-AMT2I_HEIGHT/2+5, -AMT2I_WIDTH/2+5]) circle(d=4, $fn=50);
      translate([-AMT2I_HEIGHT/2+5, AMT2I_WIDTH/2-5]) circle(d=4, $fn=50);
      translate([AMT2I_HEIGHT/2-5, -AMT2I_WIDTH/2+5]) circle(d=4, $fn=50);
      translate([AMT2I_HEIGHT/2-5, AMT2I_WIDTH/2-5]) circle(d=4, $fn=50);
    }
  }
}