This is how it works, we start thinking and keep thinking, until it becomes too boring or too big in our minds, at which point we start to doubt our capabilities, or get scared that someone will take advantage of “My great idea!”. If you are lucky and manage to get out of your initial inhibitions and insecurities.
We have been reading about the wonders that 3D printing will bring us for some years now, but its real impact on our health, for example, is still only anecdotal. However, the efforts of those who have believed in additive manufacturing since its inception are beginning to bear fruit and, little by little, with the technology ready and a lot of education, they are carving out a niche in the market.