$fn=200;
module case (){
    difference(){
            cube([25,50,36]);
            //cube([25,50,30]);
            translate([13,36,3]){
                 cylinder(h=30,d=17.5);
                }
            translate([13,14,3]){
                 cylinder(h=30,d=17.5);
                }
            translate([6,3.7,10]){
                 #cylinder(h=6.7,d=6.7);
                }
            translate([20,3.7,10]){
                 #cylinder(h=6.7,d=6.7);
                }
    }
}

module splitter(){
    translate([-1,-1,-1]){cube([27,52,19]);}
        
}
/*
difference(){
  case();
  splitter();
}
*/
intersection(){
  case();
  splitter();
}