New 3-D printing method can print more complex, stronger objects

Researchers from the University of California, Berkeley and Lawrence Livermore National Laboratory have invented Computed Axial Lithography or CAL, a type of 3-D printing that does not rely on printing layers and is able to form an object all at once. CGTN’s Mark Niu reports. Watch CGTN LIVE on your computer, tablet or mobile Subscribe to CGTN America on YouTube Follow CGTN America: Twitter: @cgtnamerica Facebook: @cgtnamerica