ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,715, issued on Sept. 30, was assigned to Peridot Print LLC (Palo Alo, Calif.).

"3D objects with layers of solidified and void portions" was invented by Davinia Font Calafell (Sant Cugat del Valles, Spain), Alberto Maria Canals Pou (Sant Cugat del Valles, Spain) and Adam Franks (Grenoble, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of which at least a part has been 3D printed is disclosed herein. The part comprising a plurality of layers of a predetermined thickness including an outer layer and an underlying layer immediately below the outer layer. The outer layer comprises a first set of solidified portions and a first set of vo...