Formfutura MetalFil Classic Copper is a composite PLA (polylactic acid) filament that is gravimetrically filled with approximately 80% copper powder. The high copper content in MetalFil Classic Copper makes 3D printed objects nearly indistinguishable from genuine copper casted objects. MetalFil Classic Copper can be post-processed with various patina effects.
 
 Unique features
 Very high copper-filling of 80%
 Real copper look, heavyweight, and ?cold? copper metal feel
 Approximately 300% heavier than PLA (density of 3.4 g/cc)
 Compatible with full metal, PEEK, and PFTE hotends
 Compatible with direct drive and Bowden style extruders
 Compatible with ? 0.4mm hardened nozzles with retraction settings enabled
 Easy to post-process
 MetalFil can be brushed, sanded, polished, waxed, coated and patina post-processed
 
 Applications
 Aesthetics, design, and art
 Figurines and miniatures