// Enclosure for a standard 16x2 LCD (with or without I2C) and an Arduino Uno
$fn = $preview ? 40 : 80;

Case=1;
Lid=1;
Feet=1;

if(Case) {
 difference() {
  Cube(90,65,35);
  translate([2,2,2])Cube(86,61,35);

  translate([-1,38.4,5.8])cube([20,12.8,11.8]); // USB
  translate([-1,9.5,5.8])cube([20,9.8,12]); // Power 
  
  // Feet
  translate([10,10,-1]) cylinder(d=5.2,h=10);
  translate([80,10,-1]) cylinder(d=5.2,h=10);
  translate([80,55,-1]) cylinder(d=5.2,h=10);
  translate([10,55,-1]) cylinder(d=5.2,h=10);
 }
 translate([4,4,11])Pilaar(8,24);
 translate([86,4,0])Pilaar(8,35);
 translate([86,61,0])Pilaar(8,35);
 translate([4,61,11])Pilaar(8,24); 
}

if(Feet) translate([5,5,-10]) {
 for(i=[0:3]) {
  translate([i*11,0,0])Cube(10,6,4,2);
  translate([5+i*11,3,0])cylinder(d=5,h=8);
 }
}

if(Lid) translate([0,0,40]){
 difference() {
  union() {
   hull() {
    Cube(90,65,2);
    translate([0,3,3])rotate([90,0,90])cylinder(d=6,h=90);
    translate([0,62,3])rotate([90,0,90])cylinder(d=6,h=90);
    translate([0,65/2-40/2,8])cube([90,40,3]);
   }   
   
   translate([5,14,10]) LCDFrame();
  }//union
  
  translate([5,14,10])
   translate([(80-72)/2,(36-25)/2,-5])cube([72,25,20]);
  
  translate([4,4,-1])cylinder(d=2.6,h=10);
  translate([86,4,-1])cylinder(d=2.6,h=10);
  translate([86,61,-1])cylinder(d=2.6,h=10);
  translate([4,61,-1])cylinder(d=2.6,h=10);
  
  translate([4,4,6])cylinder(d=4.2,h=10);
  translate([86,4,6])cylinder(d=4.2,h=10);
  translate([86,61,6])cylinder(d=4.2,h=10);
  translate([4,61,6])cylinder(d=4.2,h=10);
  
  translate([2,2,-1])
  scale([0.9555,0.9384,1])hull() {
   Cube(90,65,2);
   translate([0,3,3])rotate([90,0,90])cylinder(d=6,h=90);
   translate([0,62,3])rotate([90,0,90])cylinder(d=6,h=90);
   translate([0,65/2-40/2,8])cube([90,40,3]);
  }
 }
 
 translate([5,14,10]) LCDFrame();
 
 render() translate([4,4,0])difference() {
  union() {cylinder(d=4,h=5.8);cylinder(d=6,h=5); }
  cylinder(d=2.6,h=10);
 }
 render() translate([86,4,0])difference() {
  union() {cylinder(d=4,h=5.8);cylinder(d=6,h=5); }
  cylinder(d=2.6,h=10);
 }
 render() translate([86,61,0])difference() {
  union() {cylinder(d=4,h=5.8);cylinder(d=6,h=5); }
  cylinder(d=2.6,h=10);
 }
 render() translate([4,61,0])difference() {
  union() {cylinder(d=4,h=5.8);cylinder(d=6,h=5); }
  cylinder(d=2.6,h=10);
 }
}


module LCDFrame() { 
 difference() {
  union() {
   Frame(3);
   translate([0,0,-3]) {
    difference() {
     translate([0,0,1])Frame(2);
     translate([(80-72)/2+2,(36-25)/2,-1])cube([52,40,4]);
     translate([80-(80-72)/2-5,(36-25)/2+3,-1])cube([20,19,4]);      
    }
   }
  }//union 
  // 4 gaten
  translate([2.5,2.5,-3]) {       
   cylinder(d=3.4,h=5);
   translate([75,0,0])cylinder(d=3.4,h=5);
   translate([75,31,0])cylinder(d=3.4,h=5);
   translate([0,31,0])cylinder(d=3.4,h=5);
  }  
 }// diff
}

module Frame(H=4) {
 difference() {
  //cube([80,36,H]);
  Balk(80,36,H,2);
  // LCD zelf
  translate([(80-72)/2,(36-25)/2,-5])cube([72,25,20]);
 }
}//module Frame


include <polyround.scad>
module Balk(L,B,H,Radius=8) {
 P=[
  [0,0,Radius],
  [L,0,Radius],
  [L,B,Radius],
  [0,B,Radius]
 ];
 linear_extrude(height=H) 
  polygon(
   polyRound(P,30)
  );  
}

module Cube(xdim ,ydim ,zdim,rdim=1) {
 hull(){
  translate([rdim,rdim,0])cylinder(h=zdim,r=rdim);
  translate([xdim-rdim,rdim,0])cylinder(h=zdim,r=rdim);
  translate([rdim,ydim-rdim,0])cylinder(h=zdim,r=rdim);
  translate([xdim-rdim,ydim-rdim,0])cylinder(h=zdim,r=rdim);
 }
}

module Pilaar(W=10,H=40) {
 difference() {
  cylinder(d=W,h=H);
  translate([0,0,H-4]) cylinder(d=3.2,h=5);
 }
}