text: /**
   * sets wafer information.
   * 
   * @param {int} diameter The size.
   * @param {int} margin The margin size.
   * @param {int} notch The notch width.
   * @param {int} notchSide The notch position.
   */
  export default function(diameter, margin, notch, notchSide) {
    this.diameter = diameter;
    this.margin = margin;
    this.notch = notch;
    this.notchSide = notchSide;
    return this;
  }
  