Michael Irving for New Atlas:  Oak Ridge National Laboratory (ORNL) is no stranger to impressive 3D printing feats, with a replica 1965 Shelby Cobra and a dwelling and vehicle which can power each other, already under its belt. Now a new plane wing trim-and-drill tool developed and 3D printed by ORNL has been certified by Guinness World Records as the largest solid 3D printed item.

Made from carbon fiber and ABS thermoplastic composite materials, the new tool measures 17.5 x 5.5 x 1.5 ft (5.3 x 1.7 x 0.5 m) and weighs around 1,650 lb (748 kg). To meet the requirements of the record, the item needed to be one solid piece of 10.6 cubic ft (0.3 cubic m), which a Guinness World Records judge confirmed at a ceremony.  Cont'd...