Ask HN: What lesser known startups are you excited about?

Rural hubs -- Utah has an interesting one where small town rural residents are being trained to do work as subcontractors for techy metro-based companies.

3D medical printing.

For example, BioBots.io has developed a "living tissue" 3D printer that uses photolithography versus mechanical or chemical deposition. It sells for $5K per machine. With recurring revenue of ~$1K for each cartridge of "bioink"!

R&D expenditures in the space are offset by partnerships with research institutions. And clinical demand is gargantuan. Two factors that could result in a $2B+ industry by 2022[1].

12 Things We Can 3D Print in Medicine Right Now

https://3dprintingindustry.com/news/12-things-we-can-3d-prin...

[1] http://www.marketsandmarkets.com/Market-Reports/3d-printing-...