ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,708, issued on March 25, was assigned to Markforged Inc. (Waltham, Mass.).

"Apparatus and method for producing a 3D part using implicit representation" was invented by Corey Hazeltine Walsh (Belmont, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A 3D production apparatus and method that receives a 3D production file, the 3D production file containing at least one positional command defined based on an implicit representation, the at least one positional command including at least one parameter of the implicit representation. At least one tool command is generated based on the parameters of the implicit representation. A position of a tool is...