Some technologies/inventions/products are simply mind blowing, VR is one of them. It is surprisingly amazing to see it expanding its claws to so many fields. It is really doing wonders for the people and the current product is no exception.
It is not only useful in getting rid of the weaknesses of the designs but is also providing cheaper prototypes. If you think a little more deeply, it is also saving the time, which could be wasted in printing the prototypes before the final touches.