w_in = 7;
h_in = 7;
w_out = 7;
h_out = 7;

module face (){
    square(30, center=true);
}

module notchesInside (HowMany){
    for(i = [0:HowMany]){
        rotate(i*360/HowMany)
        translate([11,-3.5,0])
        square([h_in, w_in]);
    }
}

module notchesOutside(HowMany){
    for(i = [0:HowMany]){
        rotate(i*360/HowMany)
        translate([15,-3.5,0])
        square([h_out, w_out]);
    }
}


module faceBox(){
    difference(){
    square(40, center=true);
    notchesInside(4);
    translate([-4, -4, 0])
    square([h_in, w_in]);
    }
}

module topBox (){
        face();
        notchesOutside(2);
}


module bottomBox (){
    difference(){
        square([30.3, 20.4], center=true);
        translate([-15,0,0])
        notchesInside(1);
    }
        notchesOutside(2);
}

module jointBoxes(){
    square([30, 20], center=true);
    notchesOutside(2);
}

module jointBinary(){
    difference(){
        square([30, 20], center=true);
        translate([-26,0,0])
        notchesInside(1);
    }
    notchesOutside(1);
}

module topBox(){
    face();
    notchesOutside(2);
}

module topBoxOne (){
    difference(){
        face();
        translate([-4,-5,0])
        text("1");
    }
        notchesOutside(2);
}

module topBoxTwo (){
    difference(){
        face();
        translate([-4,-5,0])
        text("2");
    }
        notchesOutside(2);
}

module topBoxFour (){
    difference(){
        face();
        translate([-4,-5,0])
        text("4");
    }
        notchesOutside(2);
}

module topBoxEight (){
    difference(){
        face();
        translate([-4,-5,0])
        text("8");
    }
        notchesOutside(2);
}

module topBoxSixteen (){
    difference(){
        face();
        translate([-8,-5,0])
        text("16");
    }
        notchesOutside(2);
}

module topBoxThirtyTwo (){
    difference(){
        face();
        translate([-8,-5,0])
        text("32");
    }
        notchesOutside(2);
}

module topBoxSixtyFour (){
    difference(){
        face();
        translate([-8,-5,0])
        text("64");
    }
        notchesOutside(2);
}

module topBoxHundred (){
    difference(){
        face();
        translate([-12,-5,0])
        text("128");
    }
        notchesOutside(2);
}


faceBox();

translate([50,0,0])
faceBox();

translate([100,-40,0])
bottomBox();

translate([150,0,0])
topBox();

translate([150,-50,0])
topBox();

translate([200,0,0])
jointBoxes();

translate([250,0,0])
jointBoxes();

translate([250,-30,0])
bottomBox();

translate([200,-30,0])
jointBinary();

translate([100,0,0])
topBoxOne();

translate([50,-45,0])
topBoxTwo();

translate([0,-45,0])
topBoxFour();

translate([0,-95,0])
topBoxEight();

translate([50,-95,0])
topBoxSixteen();

translate([100,-80,0])
topBoxThirtyTwo();

translate([150,-100,0])
topBoxSixtyFour();

translate([200,-70,0])
topBoxHundred();