As the original idea of a RepRap 3D Printer is to bring a factory to home, which can make more factory for more home. I do feel like a RepRap 3D printer needed a additional "Add On". As Material like ABS, which have been proved a good material for 3D printing for years. I just wondering could we have a "Add On" that allows the user to reused some of the "Part" that had been printed and no long beby Foolz - General