A very unusual design for a 3D print extruder has been patented.
rotary
The Unusual Rotary Piston Extruder Needs To Be Used
It’s been brought to our attention there is a patent on a very unusual 3D printer extruder design.
A very unusual design for a 3D print extruder has been patented.
It’s been brought to our attention there is a patent on a very unusual 3D printer extruder design.