[Stefan] from CNC Kitchen explored an unusual approach to a multi-material print by making custom PLA filament with a TPU core to make it super-tough. TPU is a flexible filament whereas PLA is hard ...
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 ...