This was submitted (not by me) as an entry to Gov Hack
(<a href="https://hackerspace.govhack.org" rel="nofollow">https://hackerspace.govhack.org</a>).<p>Here is the project page:
<a href="https://hackerspace.govhack.org/projects/digital_twin" rel="nofollow">https://hackerspace.govhack.org/projects/digital_twin</a>