$fn=100;

joy=1; // Joystick module
stepper=0; //stepper control module 
lcd=0; // LCD module
nano=0; // Arduino nano + expansion



// Pin for secure the board
if (joy) {
    //pins to secure to the metal plate
cube ([35,35,3]);
translate ([7.5,7.5,-7])       cylinder(8,2,2.12);
translate ([7.5+20,7.5,-7])    cylinder(8,2,2.12);
translate ([7.5+10,7.5+20,-7]) cylinder(8,2,2.12);
 // pin for the joystick   
//translate ([7.5,   4,     2])    cylinder(8,1.5,1.5);
translate ([7.5+20,4,     0])    cylinder(12,1.5,1.5);
translate ([7.5,   4+26.5,0])    cylinder(12,1.5,1.5);
//translate ([7.5+20,4+26.5,2])    cylinder(8,1.5,1.5);
    
     difference(){
         translate ([7.5,   4,     0])    cylinder(12,3,3);
      translate ([7.5,   4,     2])       cylinder(13,1.,1.5);        
    }
    
         difference(){
         translate ([7.5+20,4+26.5,0])    cylinder(12,3,3);
      translate ([7.5+20,4+26.5,2])       cylinder(13,1.,1.5);        
    }
    
}
   
if (stepper) {

    //pins to secure to the metal plate
cube ([35,35,3]);
translate ([7.5,7.5,-7])       cylinder(8,2,2.15);
translate ([7.5+20,7.5,-7])    cylinder(8,2,2.15);
translate ([7.5+10,7.5+20,-7]) cylinder(8,2,2.15);    
    
translate ([4.25,     2.75,2])       cylinder(6,1.39,1.39);
translate ([4.25+26.5,2.75,2])    cylinder(6,1.39,1.39);
translate ([4.25,     2.75+29.5,2])    cylinder(6,1.39,1.39);
translate ([4.25+26.5,2.75+29.5,2]) cylinder(6,1.39,1.39);
}

if (lcd) {
    
      //pins to secure to the metal plate
cube ([81,37,3]);
    
translate ([11,   8.5,-7])       cylinder(8,2,2.15);
translate ([11+20,8.5,-7])    cylinder(8,2,2.15);
translate ([11+10,8.5+20,-7]) cylinder(8,2,2.15);
    
translate([40,0,0]) union(){
      translate ([11,   8.5,-7])       cylinder(8,2,2.15);
      translate ([11+20,8.5,-7])    cylinder(8,2,2.15);
      translate ([11+10,8.5+20,-7]) cylinder(8,2,2.15);
    }
    difference(){
      translate ([3,     3,2])       cylinder(13,3,3);
      translate ([3,     3,6])       cylinder(13,1.15,1.5);
    }
    difference(){
      translate ([3+75,  3,2])       cylinder(13,3,3);
      translate ([3+75,     3,6])       cylinder(13,1.15,1.5);
    }       
    difference(){      
      translate ([3,     3+31,2])    cylinder(13,3,3);
      translate ([3,     3+31,6])       cylinder(13,1.15,1.5);
    }
    difference(){
      translate ([3+75,  3+31,2])    cylinder(13,3,3);
      translate ([3+75,     3+31,6])       cylinder(13,1.15,1.5);        
    }
}    
                     
                  
 if (nano) {
    
      //pins to secure to the metal plate
cube ([58,64,3]);
    
translate ([9,   12,-7])    cylinder(8,2,2.12);
translate ([9+20,12,-7])    cylinder(8,2,2.12);
translate ([9+10,12+20,-7]) cylinder(8,2,2.12);
    
translate([20,0,0]) union(){
  //  translate ([11,   8.5,-7])       cylinder(8,2,2.15);
    translate ([9+20,12,-7])    cylinder(8,2,2.12);
    translate ([9+10,12+20,-7]) cylinder(8,2,2.12);
    }
    
     translate ([9+20,12+40,-7]) cylinder(8,2,2.12);
       
    // Pin for the board

    translate ([5,     7,2])       cylinder(8,1.5,1.5);
    translate ([5+48.5,7,2])       cylinder(8,1.5,1.5);
    translate ([15+5,  7+51.5,2])    cylinder(8,1.5,1.5);     
   translate ([20+27.5,  7+51.5,2])    cylinder(8,1.5,1.5);
               
}