final Vector3 posScale = projector.getPositiveScale();
final Vector3 negScale = projector.getNegativeScale();
final int xStretch = posScale.intX() + negScale.intX();
final int yStretch = posScale.intY() + negScale.intY();
final int zStretch = posScale.intZ() + negScale.intZ();
final Vector3 translation = new Vector3(0, -negScale.intY(), 0);
final int inverseThickness = (int) Math.max((yStretch + zStretch) / 4f, 1);
System.out.println(inverseThickness);