Leather Waste Becomes 3D Printing Filament, With a 30 Percent Ceiling
Researchers blended tannery leather shavings into thermoplastic polyurethane and found composites remain printable up to 30 percent filler content, with 40 percent causing embrittlement. Subject of Research: Upcycling wet-white leather shavings as a filler in thermoplastic polyurethane filaments for fused filament fabrication…