3D printing becomes more viable as people use it. Right now it is pretty niche, but many groups are doing it on an industrial scale.

If every household or building had one, the parts could be crowdsourced from every machine that could make them.

The difference between where 3D printing and injection molding technology is right now is that 3D printers have scaled down in size and cost to the point of consumers being regular folks.

As for right now, 3D printing can help but it won’t be the savior of mankind.

Yet