GelSight 

Powerful, clever, & elegantly simple.

Stick them together with all the pointclouds of the scans of your object and you have the whole scanned.

Wow . . . that $100 bill part really sold it!

should be possible to easily create normal maps from it. DIY versions should show up soon enough as it is basically combining colour channels.

Imagine a security vault, with the walls, floor and ceiling lines with sensors based on this.

how to make a painted skin?