p5js sketch to layer 1pixel per sheet of paper for depth printing

edgeLayer.js

var sideA;
var depth = 500; //choose how deep to make the guillotine slit scan

function preload(){
  sideA = loadImage("usd.jpg");
}

function setup() {
  createCanvas(3300,2550) //300 pixels per inch 8.5x11
  pixelDensity(1); //turn off pixel density so calcualtions for page size are independent of screen pixel density
  textFont("Helvetica");
  textSize(20);
  background(255);
      
  for(i=0;i<sideA.height;i++){
    // copy(srcImage,sx,sy,sw,sh,dx,dy,dw,dh)
    for(j=0;j<depth;j++){ //do a slit scan effect to add pixel depth for later guillotine cutting
      copy(sideA, 0, i, sideA.width, 1, (width/2)-(sideA.width/2), j, sideA.width, 1);
    }
    
    text(i, 50, height/2) //comment out to disable text index printout
    
    saveCanvas(i + "_layer",'jpg')
    background(255);
  }
  
  
}