Go beyond plastics with the Discov3ry Extruder, a paste extruder on Kickstarter that turns a regular 3D printer into a Nutella printer. Amanda Kooser Freelance writer Amanda C. Kooser covers gadgets ...

A common way to visualize that a 3D printer’s extruder motor — which feeds the filament into the hot end — is moving is to attach a small indicator to the exposed end of the motor’s shaft. As the ...

TMC2209 is a stepper motor driver chip from German firm Trinamic that I suspect folk interested in the insides of 3D printers will be hearing a lot more about in the near future. In many printers, the ...

I have an old Prusa i2 that, like an old car, has been getting some major part replacements lately after many many hours of service. Recently both the extruder and the extruder motor died. The ...