Here is an Economist article that explains it much more detail: https://www.economist.com/news/briefing/21724368-recent-advances-make-3d-printing-powerful-compe

Here is an Economist article that explains it much more detail: https://www.economist.com/news/briefing/21724368-recent-advances-make-3d-printing-powerful-competitor-conventional-mass-production-3d https://www.economist.com/news/briefing/21724368-recent-adva... Or if you want the relevant portion quoted, see this article: (halfway down, below the graphene motorcycle helmet): https://hackernoon.com/an-innovation-taxonomy-d1ed0751b92b https://hackernoon.com/an-innovation-taxonomy-d1ed0751b92b