Bosch Patents Suggest Continuous Pellet 3D Printing

Bosch has published three related German patent applications that point toward a rather interesting 3D printing concept: a pellet-based extrusion system designed to keep printing while its printheads are being refilled.

Chinese Patent Describes Adjustable FFF Nozzle

A newly granted Chinese utility patent proposes a variable extrusion head for FFF 3D printers, aimed at avoiding one of the oldest annoyances in desktop and industrial extrusion printing: changing nozzles.