Johannes Wild is an engineer (B.Sc. & M.Eng.) and is interested in all kinds of modern technology, especially 3D printing. In addition to his daily job as a medical engineer, he writes books and le...view moreJohannes Wild is an engineer (B.Sc. & M.Eng.) and is interested in all kinds of modern technology, especially 3D printing. In addition to his daily job as a medical engineer, he writes books and learning materials on many different topics with great passion and dedication, in order to give other people access to modern technology in a compact, understandable and vivid way.view less