Didyou know that 3D printing generates a lot of plastic waste? This mayseem odd at first, but every enthusiast knows the amount of plasticthat gets wasted before any successful printing is done.

Most desktop 3D printers use what's called FDM (fused deposition modeling) printing. Another term is FFF (or fused filament fabrication). The idea behind both of these is that a 3D print is built up ...