I made this photo scan using 2 NASA photos taken during the Apollo 11 mission. It shows Buzz Aldrin's boot print in the lunar surface. It was pure serendipity that they took two photos of the same thing. Think of what they could have done if they had known about photoscanning.
You can hear more about this scan and all kinds of stuff like this on:
[**3d printing today podcast**](http://threedprintingtoday.com/ "3d Printing Today Podcast")