Filament extruder for producing polymer filaments for 3D printing (Filament maker; 3Devo inc., 2018); with optical system for filament diameter control; with multi-block heating control in the extrusion zone. 

Features: 

  • 4 heating zones that can reach up to 450°C each
  • Optical sensor controlling the diameter of the extruded filament
  • Control of the screw rotation speed.