With red and white light, the shadow of the object appears in the complementary color -- cyan -- and the shadows change as your angle of vision changes.
Making use of seven shooters simultaneously, the system photographs the object while projecting various light and shadow combinations in order to determine the ware's geometry.
Shadow health secretary Andy Burnham said he did not object in principle to a closer partnership between the NHS and the life sciences sector as this "could be good for both sides".