I scanned this anvil using 74 shots taken with my Samsung Galaxy S5 phone. I processed them in Agisoft Photoscan.
You can see all the detail of the rust, or as blacksmiths say "the lovely patina"
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")