How appeared Additive technologies?

In the last article I told why products are printed. I came to a conclusion that people do it for two reasons: ethical and progressive. That is they avoid operation of animals and do not want that technologies stood still. But in this article it will be a question of history of creation Additive technologies. Initially it was applied to creation of firm household items or constructions, further in medicine (it already came in the 20th century after development the press from cages) and only then in the food industry. 1980 First attempts of creation of technologies Additive technologies took place about 40 years ago to Japan...