US Patent Issued on Jan. 28 for "Handheld 3D drawing arrangement and reciprocating filament moving system and filament moving method thereof" (Chinese Inventor)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,581, issued on Jan. 28.

"Handheld 3D drawing arrangement and reciprocating filament moving system and filament moving method thereof" was invented by Honghui Wei (Jurong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A handheld 3D drawing arrangement includes a main body having a feeding pathway, a reciprocating filament moving system including a filament moving element, a heating system, and a controller, wherein under control of the controller, the reciprocating filament moving system is operated to allow the filament moving element to reciprocating move, so as to drive the filament to be feed to the heating system through the feeding pathw...