Polymaker PolySmooth™ Filament - 2.85mm Finishing Tools FILAMENT DIAMETER: 1

FILAMENT DIAMETER: 1

Here are just a few common finishing techniques for metal composite filaments you might want to try:

All metal hotends will let you print at much higher temperature than  possible with original PTFE lined ones

Make sure you don't file on a wrong side

a transition zone is always constant

Polymaker PolySmooth™ Filament - 2.85mm Finishing Tools FILAMENT DIAMETER: 1The new 3D Printing Filament to Drastically improve the Surface Quality of 3D Printing Part. PolySmooth gives excellent printing characteristics, balanced mechanical properties, and most importantly, polishability when exposed to common alcohols such as isopropyl alcohol or ethanol. Polishable: The first 3D printable filament engineered for layer free post processing. We have specifically developed PolySmooth to work alongside the Polysher providing