3D printers have been a boon for creative people and manufacturers. The ability to design and prototype objects has revolutionised many businesses and will only become more prevalent. As the technology continues to be democratised as prices fall, more different printing substrates become available and plans become more accessible. Porsche is getting on the act. The collectors and restorers of classic Porsche vehicles can now go to the German company when they need a hard-to-find part and have one made for them.