copperFill and bronzeFill are metal infused 3D printer filament. copperFill has a bit of a browner, more rustic look than its bronze counterpart, once polished.

Produced with a micronized copper powder which has been infused into a common PLA plastic, copperFill will print easily using an all metal hot-end. Colorfabb warns against using any hot-ends which use a teflon isolator coupler, as the filament has been shown to clog these devices.

After polishing, prints look like they were cast in metal. In this guide we'll look at achiving super shiny results, without any liquids or futhers preperations on your part.