3d printing with metal on your own desktop 3d printer! This amazing one of a kind filament will allow you to print with actual copper at home.

*Testing showed reliable results using the all metal hot-ends, such as the E3D and the Makerbot Replicator 2 hotend. Hotends which use a teflon isolator coupler can generate adhesion to the copper filament possibly leading to clogs and is therefor not recommended for novice users yet.

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3d printing with metal on your own desktop 3d printer! This amazing one of a kind filament will allow you to print with actual copper at home! Straight from the printer parts look almost laser sintered with a matte finish. With a bit of sanding and polishing the copper particles will start to shine and shimmer unlike any 3d printing filament you have seen before. The weight of the material is something special, about 3 times heavier then our regular PLA/PHA.

*Testing showed reliable results using the all metal hot-ends, such as the E3D and the Makerbot Replicator 2 hotend. Hotends which use a teflon isolator coupler can generate adhesion to the copper filament possibly leading to clogs and is therefor not recommended for novice users yet.

Customer Reviews (5)
As the Canadian 3D Printer manufacturer of the Infinity 3D we always like to confirm that a material will print well in our machines. We have found this material to produce excellent prints, after some post processing with steel wool buffing. We also used our stainless steel nozzles as they do not wear as quickly as typical brass nozzles. Review by Warren (Posted on 9/11/2017)
Impressive filament - but not the easiest filament to work with
Very beautiful after post processing. I tried different methods to age the copper. A solution of liquid fertilizer, vinegar and salt gave a nice light green colour. However do not use ammonia water as even the vapors degrades PLA very fast. 24 hours incubation cased severe delamination and softening of my print. Review by Tonny (Posted on 7/20/2017)
Prints just like PLA but feels compleatly different
Straight up just used my normal goto PLA setting (H:215°C, B:60°C) for printing and 6 hours of printing later I had a gorgeous looking bust! The layers just look as perfect as on my PLA prints, but once the print is pulled off the buildplate it just feels like a totaly different material just because of the weight of the print. After polishing it for a bit it just Looks and feels like copper. Wish I could put pictures in this review to show off how awsome this fillament looks. Defently looking forward to try out some of the other ColorFabb Specials samples I ordered. Review by Felix (Posted on 1/7/2017)
Great stuff!
Amazing stuff!

I ordered the Copperfill together with Bronzefill. The Bronzefill took some time to find the sweet spot on my printersettings. (UM2).
I use the same settings with Copperfill.
Nozzle 230C
Speed 60C
Flow 110%
Layer 100 Micron
I use a steel 0.5 nozzle from which works fine
Other than the steel nozzle I have not altered my printer and it works great so far.

Did some small testprints and I am currently halfway a 12 hour print.
Print quality is smooth. A bit stringy around small detailed items, but not conflicting with the objects around it.
The feel is quite heavy, like the Bronzefill, which I really like.
For post processing I use:
Sandpaper grid 600 > Sanding pad grid 1000 > Sanding pad grid 4000.
And at last to buff it up some copper polish from HG.
The end result is a perfectly smooth finish without any visible lines.
Can't wait to get my hands on some Steelfill
Review by Ruben (Posted on 11/2/2016)
Awesome Copper Filament
What can I say! This filament is awesome! I print this filament at 230C and the prints come out awesome. After some polishing and sanding, it looks, feels, smells like copper. I can tell by the weight that there is a significant amount of copper metal in the filament. I love this filament and I hope to have the opportunity to try out some othe Colorfabb exotic filaments in the future. Review by Matt (Posted on 3/7/2016)
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In-house production
All colorFabb 3d printing filaments are produced in our own production facility, situated in the Netherlands. Since no external parties are involved in the making of colorFabb filament we can ensure consistent quality on every order.

Excellent diameter tolerance
An important machine in our production are the laser measurement systems used to check the diameter of our filament real time during production. It’s measured over 1000 times per second and helps us guarantee that each spool of colorFabb 3d printing filament produced within tolerance. We can guarantee 0,05mm +/- on both 2,85mm and 1,75mm colorFabb 3d printing filament, which means you can rest assured that your printer is extruding the exact amount of material.

Within minutes of production a spool of colorFabb 3d printing filament is sealed airtight with a double barrier foil. To go the extra mile, we’ll also seal the fancy cardboard box that we use to ship our product. You can make sure colorFabb 3d printing filament is fresh and ready for 3d printing when you’re done unboxing. 

In-house testing
The colorFabb testlab features a wide range of popular 3d printers. We’re continuously testing on our 3d printers to keep checking the quality of the materials we produce and to develop exciting new materials for the maker community. If your not sure how to print with our materials on your 3d printer, please contact us at

The following printers are used in our lab:

  • Ultimaker Original
  • Ultimaker Original Dual Extrusion
  • Ultimaker 2
  • Makerbot Replicator 2s
  • Delta Tower (E3D hot-end)
  • Felix 20
  • Leapfrog Creator
  • Beethefirst
  • Mass Portal Pharaoh ED
  • Prusa i3 HEPHESTOS

Companies who are interested in having their 3d printer(s) featured in our testlab can contact us at

Material science
ColorFabb was founded as a brand of Helian Polymers, a sister company of Peter Holland which have been active in the master batch and additives for the plastics processing industry. Our knowhow, network and partnerships is driving material innovations and quality. You can expect colorFabb to keep on developing interesting new materials, which will be tested on a variety of printers to make sure it’ll get the job done.

Tips & Tricks


Adviced 3d printing temperature:


Adviced 3d print speed:

40 - 100 mm/s

Advised Heated bed (if you have one, not strictly necessary)



TIP! Depending on your set-up, 3d printer and slice software, you might see that copperFill needs a bit more flow compared to your normal PLA settings. Most plastics will show die swell when coming out of the nozzle tip, this is counteracted with specific slicer settings. Since copperFill doesn’t show a die swell such as PLA you might need to increase flow rate a bit, 4-8% was perfect for our UM2. UM original did not need any adjustments.


TIP! Sanding and polishing your parts will make the copper particles shine. Start sanding with grit 120-180 and make sure all the printed lines vanish. You’ll notice that because copperFill is easy to sand down, careful you won’t loose too much detail. Then start working your way up by following with grit 240-320 and finishing off with grit 600 - or higher. Finally we used a clean soft cloth and some copper polish to really get all of the shine out of the copper particles.


General Tips


Build platform

Our PLA/PHA compound performs well on both heated and non-heated build platforms. For those users printing on a cold build platform we advise applying masking tape to the build area. The rough surface of the tape will provide enough adhesion for the first layer to stick and print almost without any warping.


Users using heated build platforms have quite a few options these days. The usual suspects are glass and aluminum build plates. For directly printing on glass or aluminum we advice user to apply glue-stick. A very thin layer will be sufficient to keep your print nicely in place. Another method is dissolving wood glue in water, you the consistency of the substance can be quite thin, a bit like milk. By applying just a few drops and smearing this out before you start heating the built plate will create a very thing layer which holds the woodFill down very well. If applying this method, be careful that you don’t get your electronics wet.

Another method that works well with colorFabb woodFill is polyimide tape, or Kapton tape. This tape is available as a very narrow strip or very wide strips which allow you to cover the build plate in one go. When the tape is applied correctly it can last for months.

TIP! Take your time leveling the bed and adjusting the the gap between 3d printer nozzle and build plate. A perfect first layer will is very important, especially for 3d prints with a large bottom layer. Having the nozzle set to close to the build plate will cause a pressure build up and as a result back flow in most hot ends. 


TIP! PLA/PHA has very minimal warping tendencies, however if your printing parts which take up the maximum of you buildspace you might see some warping. If it’s very important that your part is perfectly flat than we suggest to turn down the fan that is cooling your part. This allows the material to slowly get rid of heat without warping. After a few centimeters you can turn on the cooling if the part needs it.


*3d printers have lots of different types of hot-end which makes it extremely difficult to give aan temperature advice. We feel our temperature advice holds for most 3d printers, but should be considered as a starting point for you to find the temperatures that work in you setup. Don’t be afraid to go either higher or lower then our advised temperatures if you feel your set-up needs this.



For some materials we have a made article.


Since colorFabb develops and produces their own filaments we have a lot of knowhow about our materials. Here you’ll find all kinds of interesting material specifications that will help you decide which material is best for your project.




colorFabb copperFill - PLA/PHA + fine copper powder

Diameter Tolerance:

± 0.05 mm


3.9 g·cm-3

Glass Transition Temperature