P5js hack to adjust export for printing

p5-printScale.js

// P5js hack to adjust export for printing. 
const exportScale = 4;

function keyPressed() {
  if (key == 's' || key == 'S'){
    pixelDensity(exportScale);
    draw();
    let fileName = 
        "yourP5project_" + year() + "_" + month() +
        "_" + day() + "_" + hour() + "_" + minute() + 
        "_" + second() + ".png";
    saveCanvas(fileName);
    pixelDensity(1);
  }
}