I've been working with 3D printers and 3D scanners for over two years now and wanted to share my knowledge about photogrammetry. The contents shown here are also part of a course I give at our local hackerspace in Darmstadt, the Makerspace Darmstadt. The photos in this tutorial where taken in the Felsenmeer:

Source:[http://www.felsenmeer-odenwald.de]

Roughly translated Felsenmeer means oceans of stones which is quite fitting if you've been there.