h = 29.0;
l = 6.6;
w = 2.9;
// gap between the two cut sequences
g = 1.3;
// distance from above until cuts start
d = 2.9;
// cut length
c = (l-g)/2;


// lengths of cuts

b1 = 2.6;
b2 = 2.6;
b3 = 1.4;
b4 = 2.6;
b5 = 1.7;
b6 = 1.4;
b7 = 2.6;


eps = 0.01;

// rotations - use to set keycode
// rotationen correspondierend zu tiefen der cuts

r1 = 90-eps;
r2 = 72;
r3 = 54;
r4 = 36;
r5 = 18;
r6 = 0-eps;

// keycode/schließcode

c1 = r6;
c2 = r3;
c3 = r4;
c4 = r3;
c5 = r4;
c6 = r5;
c7 = r4;


// head
translate([-l/2,0,-10])cube([2*l,w,10]);


difference(){
cube([l,w,h]);
// first side of cuts
translate([c,0,h-d-b7])rotate(180-c7)cube([2*c,w,b7+eps]);
translate([c,0,h-d-b7-b6])rotate(180-c6)cube([2*c,w,b6+eps]);
translate([c,0,h-d-b7-b6-b5])rotate(180-c5)cube([2*c,w,b5+eps]);
translate([c,0,h-d-b7-b6-b5-b4])rotate(180-c4)cube([2*c,w,b4+eps]);
translate([c,0,h-d-b7-b6-b5-b4-b3])rotate(180-c3)cube([2*c,w,b3+eps]);
translate([c,0,h-d-b7-b6-b5-b4-b3-b2])rotate(180-c2)cube([2*c,w,b2+eps]);
translate([c,0,h-d-b7-b6-b5-b4-b3-b2-b1])rotate(180-c1)cube([2*c,w,b1+eps]);
// second side of cuts
translate([c+g,w,h-d-b7])rotate(-c7)cube([2*c,w,b7+eps]);
translate([c+g,w,h-d-b7-b6])rotate(-c6)cube([2*c,w,b6+eps]);
translate([c+g,w,h-d-b7-b6-b5])rotate(-c5)cube([2*c,w,b5+eps]);
translate([c+g,w,h-d-b7-b6-b5-b4])rotate(-c4)cube([2*c,w,b4+eps]);
translate([c+g,w,h-d-b7-b6-b5-b4-b3])rotate(-c3)cube([2*c,w,b3+eps]);
translate([c+g,w,h-d-b7-b6-b5-b4-b3-b2])rotate(-c2)cube([2*c,w,b2+eps]);
translate([c+g,w,h-d-b7-b6-b5-b4-b3-b2-b1])rotate(-c1)cube([2*c,w,b1+eps]);

translate([l,-eps/2,h+1])mirror([1,0,0])rotate([0,130,0])cube([l/2,w+eps,1.5]);
translate([0,-eps/2,h+1])rotate([0,130,0])cube([l/2,w+eps,1.5]);
}