Bronzefill and Pure Copperfill are made of 0.012mm fineness real copper metal powder and PLA material.
Goldfill and silverfill use oxidize metal instead of real metal base on high cost.
To print these 4 kinds of new filament is like printing with PLA.
It is compatible with normal desktop FDM 3d printers. Print model has metal lustre and texture.
These come in 0.8KG spools