Johnson & Johnson and Aspect Biosystems begin work on 3D printing knee cartilage - b3dgeable.staging.wpengine.com/2017/01/06/johnson-johnson-and-aspect-biosystems-begin-work-on-3d-printing-knee-cartilage/ i0.wp.com/b3dgeable.staging.wpengine.com/wp-content/uploads/2017/01/aspect-biosystems-and-depuy-synthes-begin-work-on-3d-printing-knee-cartilage-11.jpg?resize=600%2C400