Fridge eggs plate

/*egg size table : https://adamcap.com/schoolwork/1407/

Table I

Egg Size  Length Width Mass

Medium 53.30 mm 40.98 mm 50.4 g

Medium 52.94 mm 40.24 mm 47.9 g

Large 54.45 mm 43.05 mm 55.7 g

Large 56.10 mm 42.81 mm 57.8 g

Extra Large 60.10 mm 44.70 mm 67.1 g

Extra Large 59.25 mm 44.96 mm 65.7 g

*/

//print : 

//no support 

eggs_number = 6 ; //min 2, must be 2^x even number

plate_tickness= 1.5;

inner_diameter = 44.85;

walltickness= 0.8;

//[hidden]

$fn=100;

half_lenght=inner_diameter+2*walltickness;

//echo("number of plates",eggs_number/2);

if (eggs_number % 2 == 1) { echo("eggs number is odd"); }

for(n=[1:1:round(eggs_number/2)]) {

 translate([n*half_lenght-half_lenght/2,half_lenght/2,0])

 2eggs();

}

module 2eggs(){

 ///// plate & spheres - substract inner spheres

 difference() {//diff inner sphere

  union() { //union plate & sphere

   for(y=[0, half_lenght]) {

    translate([0,y,0]) 

    //half sphere

    half_sphere(inner_diameter/2+walltickness);

    if(eggs_number <=2){  //make supports

     //support for joints       

     translate([-half_lenght/2,y,0])

     cube([half_lenght,plate_tickness,inner_diameter/2]);

     translate([half_lenght/2,y-half_lenght/8+plate_tickness/2,0])rotate([0,0,90])

     cube([half_lenght/4,plate_tickness,inner_diameter/2]);

     translate([-half_lenght/2+plate_tickness,y-half_lenght/8+plate_tickness/2,0])rotate([0,0,90])

     cube([half_lenght/4,plate_tickness,inner_diameter/2]);

    }       

   }

   //plate

   translate([-half_lenght/2,-half_lenght/2,0]) cube([ half_lenght, 2* half_lenght, plate_tickness]);

  }//union

  //diff

  //inner half sphere

  for(y=[0, half_lenght]) {

   translate([0,y,-1]) 

   //cup();

   half_sphere(inner_diameter/2);

  }

 }//diff inner sphere

}//end module 2eggs

module half_sphere(radius){

 difference(){

  sphere(r=radius);

  translate([0,0,-radius])

  cube(size=radius*2, center = true);

 }

}