Magnetic PLA Filament

Magnetic PLA Filament

Graphene 3D Lab Introduces, Magnetic Filament

logo (7) - magnetic filament

I haven’t written about GRAPHENE Lab Inc. yet but this PLA Filament made first place in my todo list.

Graphene has developed a line of filaments in a variety of speciality materials, like wood, glow in the dark, and, “obviously”, conductive. Their latest product is a magnetic filament, which is now available from Graphene 3D Lab’s filament store and ours (just click the store button up top), BlackMagic3D, as well as from Amazon. Made from a ferro-magnetic PLA material, the iron-based filament is described by many as being ideal for 3D printing industrial components such as sensors, motors and mechanical actuators.
GIF magnetic demonstration full screen - magnetic filament
“It has always been the objective of Graphene 3D to create new opportunities for 3D printing. With every functional filament we introduce to the market, the types of 3D projects that can be successfully printed expands exponentially,”  said Elena Polyakova, Co-CEO of Graphene 3D.

“As this filament is ideally suited to switches, sensors and actuators, we also expect this new functionality will challenge more traditional manufacturers to examine incorporating more 3D printing technology into their manufacturing processes.”

The magnetic filament is available in 1.75 mm diameter, in 350-gram quantities for $39.99. The color is flat black, giving printed objects a cast iron appearance. Because of the iron content, the filament is more abrasive than standard PLA, so expect more wear on your nozzle; Graphene 3D Labs suggests doing a first level adjustment. However, it has been said that it´s very unlikely to rust. 🙂

The filament is holding a very powerful magnetic charge; for best results, Graphene 3D Labs recommends using neodymium iron boron (NdFeB) or samarium cobalt (SmCo) magnets with it.


  • Color: Black
  • Diameter : 1.75 mm
  • Size: 350 grams
  • Reel diameter: 20 cm (7.87 in)
  • Reel width: 5.5 cm (2.16 in)


  • 3D Printing
  • Magnetic Sensors and Actuators
  • Magnetic Stirrers
  • Educational and DIY Projects
  • Creating A Cast Iron Appearance

Printing Parameters:

  • Avoid leaving filament in a heated nozzle for an extended period of time.
  • Recommended Printing Temperature: 215-225°C
  • Recommended Bed Temperature: 60°C
  • Recommended Printing Speed: 60-80 mm/sec
  • Extrusion Multiplier: 0.9-0.95
  • Nozzle Diameter: minimum 0.4 mm
  • This filament can be post-processed to look either smooth or rough.

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